The proportional constant k is called the spring constant. It gauges the stiffness of the spring. A spring exerts a force F = -kx in the direction of its equilibrium position when it is stretched or compressed to a length that differs by an amount x from its equilibrium length.
What is Hookes Law?The force a spring applies to items fastened to its ends is proportional to the distance the spring travels from its equilibrium length and is always pointed in the direction of equilibrium. Consider a spring that has one end attached to a wall or ceiling and the other end being pulled or pushed by an object. The spring is pulled by the object, and the object is pulled by the spring. The spring applies a force F to the object that is in the opposite direction as the free end's displacement. The equilibrium point of the spring's free end is at x = 0, and if the x-axis of a coordinate system is selected to be parallel to the spring, then F = -kx.
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what is milliamps to amps?
Answer:
Explanation:
if we were to have 30 milliamps we would have .03 amps
when converting from milliamps to amps we are basically multiplying by 10^-3. you could also just remember that in order to convert from milliamps to amps you just need to move the decimal 3 places to the left
a roller coaster climbs up a hill at 4 m/s and then zips down the hill at 30 m/s. the momentum of the roller coasteris greater up the hill than down the hillis greater down the hill than up the hillremains the same throughout the rideis zero throughout the ride
The momentum of the roller coaster remains the same throughout the ride. Option c is correct.
Momentum is defined as the product of an object's mass and velocity. In this case, the roller coaster has a certain mass and is moving at different velocities as it goes up and down the hill. However, momentum is a conserved quantity, meaning that the total momentum of the system (the roller coaster and the Earth) remains constant as long as no external forces act on it.
Therefore, even though the roller coaster is moving at different velocities up and down the hill, its momentum remains the same throughout the ride. This is because the increase in velocity down the hill is balanced by the decrease in velocity up the hill, and the roller coaster's mass remains constant. So, the correct answer is option (c): the momentum of the roller coaster remains the same throughout the ride.
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--The complete question is, A roller coaster climbs up a hill at 4 m/s and then zips down the hill at 30 m/s. The momentum of the roller coaster
a. is greater up the hill than down the hill
b. is greater down the hill than up the hill
c. remains the same throughout the ride
d. is zero throughout the ride--
rosie lifts a trunk weighing 480 n up 1.2 m. if it takes her 13 s to lift the trunk, at what average rate does she do work?
The force is the weight of the log, 480 N, and the distance is the height at which the log is lifted, she is 1.2 m. So here's what Rosie did Work = 576 J and her average workload is about 44.3 watts.
What is Work?Work is an activity that is done in exchange for b or other rewards. It can involve physical or mental effort and is usually of a practical nature. It may be paid or unpaid and can be done in a variety of settings and contexts, such as businesses, factories, farms, homes, schools, and hospitals. Work is important to society as it allows people to contribute to economic growth, build their skills, and gain a sense of identity and purpose. to calculate the average rate of work
The work a Rosie does is equal to the force it applies to the stem multiplied by the distance it lifts.
work = force x distance
The force is the weight of the log, 480 N, and the distance is the height at which the log is lifted, she is 1.2 m. So here's what Rosie did:
Work = (480 N) x (1.2 m) = 576 J
The time it takes Rosie to lift the trunk is her 13 seconds, so her average amount of work is:
Average power = work ÷ time
Average power = 576 J / 13 sec ≈ 44.3 W
So Rosie's average workload is about 44.3 watts.
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A tuna saw a marlin swimming toward it at 1 meter per second. To avoid the marlin, the tuna swam southwest for 6.8seconds at a constant velocity. In that time, the tuna swam 17meters. What was the tuna's velocity?
The velocity of the tuna is 4.1 meters per second and During the 6.8 seconds that the tuna swims southwest, it covers a horizontal distance of 17 meters.
We can use the Pythagorean theorem to determine the velocity of the tuna. Let's say that the velocity of the tuna has two components: a horizontal component (vx) and a vertical component (vy).
Therefore, we can say that:
vx = 17 meters / 6.8 seconds
vx = 2.5 meters per second
Now, we need to find the vertical component of the velocity (vy). We know that the marlin is swimming directly toward the tuna, which means that its velocity is entirely in the north direction. Therefore, the tuna needs to swim directly south to avoid the marlin.
The angle between the direction of the tuna's velocity and the direction of the marlin's velocity is 45 degrees (since the tuna is swimming southwest). Using trigonometry, we can find the vertical component of the tuna's velocity:
sin(45) = vy / v
vy = v * sin(45)
where v is the magnitude of the tuna's velocity.
Now, we can use the Pythagorean theorem to find the magnitude of the tuna's velocity:
v^2 = vx^2 + vy^2
v^2 = (2.5 m/s)^2 + (v * sin(45))^2
Solving for v, we get:
v = 4.1 meters per second
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When an object rests on a surface, there is always a force perpendicular to the surface; we call this the normal force, denoted by n? . The two questions to the right will explore the normal force. Part A
A.A man attempts to pick up his suitcase of weight ws by pulling straight up on the handle. However, he is unable to lift the suitcase from the floor. Which statement about the magnitude of the normal force n acting on the suitcase is true during the time that the man pulls upward on the suitcase?
B.The magnitude of the normal force is equal to the magnitude of the weight of the suitcase.
C.The magnitude of the normal force is equal to the magnitude of the weight of the suitcase minus the magnitude of the force of the pull.
D.The magnitude of the normal force is equal to the sum of the magnitude of the force of the pull and the magnitude of the suitcase's weight.
E.The magnitude of the normal force is greater than the magnitude of the weight of the suitcase.
The correct answer to part A is: "The magnitude of the normal force is equal to the magnitude of the weight of the suitcase." So, the correct option is B. This is because the normal force is the force exerted by the floor on the suitcase perpendicular to the surface of contact.
According to Newton's third law, for every action, there is an equal and opposite reaction. When the man pulls upward on the suitcase, the suitcase exerts an equal and opposite force downward on the man. This force is the weight of the suitcase, which is the force exerted on the suitcase by the Earth due to gravity. The normal force is the force exerted by the floor on the suitcase perpendicular to the surface of contact.
Since the suitcase is not lifted from the floor, it means that the forces are in equilibrium, and the net force on the suitcase is zero. Therefore, the magnitude of the normal force must be equal to the magnitude of the weight of the suitcase to balance the force of the pull. So option B is the correct answer. Options C, D, and E are incorrect because they do not take into account the fact that the forces must be in equilibrium.
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how to find spring constant with time
To find the spring constant (k) using time, you need to perform an experiment that involves measuring the motion of an object attached to a spring.
Perform the experiment of spring attached to mass m. You will displace the object and measure the time it takes to complete one full oscillation or period (T). Using the equation k = (4π^2m)/T^2, where m is the mass of the object, you can calculate the spring constant.
Repeat the experiment for different masses to verify that the spring constant remains constant. This method assumes that the motion of the object is simple harmonic motion, which is valid for small oscillations around the equilibrium position. The calculated spring constant may not be accurate if the displacement is too large.
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a reaction has a rate constant of 1.25×10−4 s−1 at 28 ∘c and 0.230 s−1 at 78 ∘c .A. Determine the activation barrier for the reaction. B. What is the value of the rate constant at 16∘C ?
A. The activation barrier for the reaction is the difference between the rate constants at the two temperatures, which is 1.02×10−3 s−1.
What is the temperatures?The temperature can vary greatly depending on the location. In general, temperatures can range from very hot to very cold. In tropical climates, temperatures can reach up to the mid-30s Celsius (mid-90s Fahrenheit). In colder climates, temperatures can dip down to below -30 Celsius (-22 Fahrenheit). Temperatures can also vary greatly depending on the season. In summer, temperatures can be much higher than in winter. In some areas, temperatures can also vary depending on altitude, with higher altitudes having cooler temperatures.
B. The value of the rate constant at 16∘C can be estimated using the Arrhenius equation, which is k = A e^(-Ea/RT), where A is the pre-exponential factor, Ea is the activation energy, R is the universal gas constant, and T is the temperature in Kelvin. Plugging in the values for the two known temperatures, we get A = 1.25×10−4 s−1 and Ea/R = (0.230-1.25×10−4)/(8.314*(78+273)) = 6806.4 K. We can then use the equation to compute the rate constant at 16∘C, which is 0.14×10−4 s−1.
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which type of bell interacts more with high-pitched sounds?
According to the given information Small type of bell interacts more with high-pitched sounds.
What is high pitched and low pitch sound?High pitch sounds are those that have a high frequency. Shouts are frequently of rather high pitch. A whistle, for instance, appears to have a high pitch. Sounds with a low frequency rate have a low pitch.
How do you find high pitch sound?Downloading a sound level software would be the simplest approach to find out how loud this whining sound is (most are free). You want an app that measures both frequency (Hz) and decibel level simultaneously, while others simply measure decibel level (loudness). one which assesses both.
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using the solar constant, estimate the rate at which the whole earth receives energy from the sun.
Using the solar constant, the rate at which the whole earth receives energy from the sun is 1.475×10²⁴ W.
The solar constant (GSC) is a measure of the flux density of the sun's electromagnetic radiation (gross solar radiation) averaged per unit area. It is measured on the surface perpendicular to the light rays, one astronomical unit (au) from the sun (approximately the distance from the sun to the earth).
The solar constant includes radiation across the electromagnetic spectrum. The satellite measured a solar minimum (the period of the 11-year solar cycle when the number of sunspots is lowest) at 1,361 kilowatts per square meter (kW/m2), or about 0. Add 1% (about 1362 kW/m2) to the solar maximum.
According to the Question:
I = Solar constant of the sun = 1362 W/m²
(Using satellite measurements, the value is 1.3608 ± 0.0005 kW/m², the error is due to the solar production not always being constant)
r = Radius of earth = 6371 km = 6371000 m (mean radius)
A = Area of earth = (4/3)×π×r³
= (4/3)× π ×6371000³
= 1.083×10²¹ m²
Therefore,
P = I×A
⇒ P = 1362× 1.083 ×10²¹
⇒ P = 1.475× 10²⁴ W
∴ Rate at which the whole Earth receives energy from the Sun is 1.475×10²⁴ W.
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What is 40 °F in °C?
40 degrees Fahrenheit is equal to 4.4 degrees celsius.
To convert Fahrenheit (°F) to Celsius (°C), you can use the following formula:
°C = (°F - 32) * 5/9
The process of translating a temperature from one scale to another is referred to as temperature conversion. Temperature conversions between the several regularly used temperature scales, including Celsius, Fahrenheit, and Kelvin, are frequently required.
where the temperature is expressed in degrees Fahrenheit (°F) and degrees Celsius (°C).
Plugging in 40 °F into this formula, we get:
°C = (40 - 32) * 5/9
= 8 * 5/9
= 40/9
≈ 4.4 °C
Therefore, 40 °F is equal to 4.4 degrees celsius.
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What is the formula of Hooke's law and potential energy in a spring?
The formula for Hooke's law is F = -kx, and the formula for potential energy stored in a spring is PE = (1/2)kx^2.
Hooke's law is a fundamental principle in physics that states that the force exerted by a spring is proportional to the displacement or change in length of the spring from its equilibrium position. The constant of proportionality, k, is known as the spring constant and is a measure of the stiffness of the spring.
The potential energy stored in a spring is equal to the work done on the spring in compressing or stretching it and is given by the formula PE = (1/2)kx^2, where x is the displacement or change in length of the spring from its equilibrium position. This potential energy can be converted back into kinetic energy when the spring is released.
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how many cups is liter
There are 4.2267528377 or approximately four cups are present in a liter.
A "cup" is an imperial measure. The standardized cup measure is relatively new. A "Liter" is a metric system unit of volume measurement equal to 1 cubic decimeter (or 0.001 m³). It was originally defined as the volume of one kilogram of water at 4 degrees Celsius, but it can also be used to measure other liquids. This means that both are units of volume. Unit conversion is the process of converting one unit to another using multiplication and division. There is a constant number that is multiplied or divided by one to change to another, this constant number is called the conversion factor. Now is the conversion formula for converting liters to cups
cup = liter × 4.2267528377
Here, conversion factor = 4.2267528377 and we have to convert one liter then number of cups in one liter = 1× 4.2267528377 = 4.2267528377 ~4 cups. So the desired value is 4.
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Complete question:
How many cups are in a liter?
1. This is an electric multi-meter: (Attachment below)
Based on the labels and your understanding of electricity, what is the device currently measuring, based on its setting and current display? What setting(s) would you use to measure resistance? Which setting(s) would measure current?
2. How does electrical current theory contribute to the fact that so many electronic devices, like light bulbs, are so easily scalable, measurable, and quantifiable?
The rate at which an electric charge flows through a conductor with regard to time is what is known as the electric current.
What is Electric current?It results from the free electrons drifting through a conductor in a specific path.
As we are all aware, the unit of measurement for electric change is the Coulomb, the unit of measurement for current is the Coulombs per second, and the logical unit of current is named Ampere in honor of the eminent French scientist André-Marie Ampere.
Current I = Q / t coulombs per second or amps if total Q Coulomb charge travels through a conductor by time t.
Therefore, The rate at which an electric charge flows through a conductor with regard to time is what is known as the electric current.
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17. ________ is the capacity to do work while ________ is a measure of randomness.
Energy is the capacity to do work while Entropy is a measure of randomness.
The entropy of the system is the measure of the degree of randomness in a system. On the other hand, the energy of the system is the measure of the work that a system can do.
A system with higher temperature is said to have a higher energy as well as a higher entropy.
The energy of the system depends on the mass of the system and the entropy depends on the process i.e. reversible or irreversible. So, the answer to our fill in the blanks is energy and entropy respectively.
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Which one of the following statements concerning electrostatic situations is false?A. E is zero everywhere inside a conductorB. Equipotential surfaces are always perpendicular to EC. It takes zero work to move a charge along an equipotential surfaceD. If V is constant throughout a region of space then E must be zero in that regionE. No force component acts along the path of a charge as it is moved along an equipotential surface
Answer:
The statement that is false is D. If V is constant throughout a region of space, then E must be zero in that region.
Explanation:
The opposite is true. If the electric potential V is constant throughout a region of space, then the electric field E must be zero in that region. This is because the electric field is related to the gradient of the potential, which is zero in a region of constant potential. The electric field is non-zero only where there is a potential gradient, i.e., where the potential changes from one point to another...
Why is the specific gravity of water 1?
The specific gravity of water is 1 because it is defined as the ratio of the density of a substance to the density of water.
Water is used as the reference substance for specific gravity because it is a common and well-known substance with a well-defined density. The density of water is 1 gram per cubic centimeter (g/cm³) at standard conditions, which are defined as a temperature of 4 degrees Celsius (39.2 degrees Fahrenheit) and a pressure of 1 atmosphere (101.325 kPa).
Since the specific gravity is the ratio of the density of a substance to the density of water, the specific gravity of water is 1 by definition. In other words, the specific gravity of any substance is its density divided by the density of water at standard conditions.
If the specific gravity of a substance is less than 1, it means that the substance is less dense than water, and if it is greater than 1, it means that the substance is more dense than water.
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If the half-life of a radioactive isotope is 7,000 years and the amount of the parent isotope present in an igneous rock is only one-fourth of the original amount, how old is the rock?
The required age of the rock when half-life of a radioactive isotope is given is calculated to be 16252.3 years.
First order kinetics' equation for calculating rate constant from provided half-life
t1/2 = 0.693/k
t1/2 = 7000 years
Making k as subject,
k = 0.693/7000 = 0.000099 = 9.9 × 10⁻⁵ yr⁻¹
Ratio of parent isotope : daughter isotope = 1 : 4
Let's suppose that the parent isotope weighs 100 g.
The amount of daughter isotope calculated to be 80 g.
So, the amount of parent isotope left is 100 - 80 = 20 g.
The formula used to determine time interval is as follows:
N = N₀ e⁻kt
where,
N₀ is the initial mass of the isotope 100g
N is the mass of the parent isotope left is 20g.
Time t in years is to be found out.
k = rate constant = 9.9 × 10⁻⁵ yr⁻¹
Putting values in above equation, we get,
20 = 100 e^(-9.9 × 10⁻⁵)t
1/5 = e^(-9.9 × 10⁻⁵)t
log(0.2) = -9.9 × 10⁻⁵ t
t = - log(0.2)/9.9 × 10⁻⁵ = -(-1.609)/9.9 × 10⁻⁵ = 1.609/9.9 × 10⁻⁵ = 10⁵ × 1.16 = 16252.3 years
Thus, the age of the rock is 16252.3 years.
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which is not used to determine the relative age of a rock? A. radioactive decay. B. law of superposition. C. core rock samples.
Answer is C) Core rock samples while radioactive decay and the law of superposition are commonly used methods for this purpose.
Determining the relative age of a rock is the process of placing rocks in a sequential order based on their ages, without assigning numerical ages to them. There are various methods used to determine the relative age of a rock, including radioactive decay and the law of superposition.
Radioactive decay is the process by which unstable isotopes decay and transform into a stable isotope, releasing energy and particles in the process. By measuring the ratio of unstable isotopes to stable isotopes in a rock, scientists can estimate the age of the rock.
The law of superposition is the principle that in a sequence of sedimentary rock layers, the oldest layer is at the bottom, and the youngest layer is at the top. By analyzing the sequence of rock layers, scientists can determine the relative age of a rock.
In contrast, core rock samples are used to extract and study the composition of rocks. Core samples can provide detailed information about the mineralogy, texture, and structure of rocks, but they do not directly provide information about the relative age of a rock. However, core samples can be used in conjunction with other methods, such as radioactive dating, to obtain a more accurate estimate of the age of a rock.
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How heavy of an object could be moved 100 feet in one minute using a 25 horsepower engine
An object of mass 4.2 x 10¹⁰ kg could be moved 100 feet in one minute using a 25 horsepower engine.
What is the relation between joule/second and horsepower?In 1 horsepower, there are 735.5 j/s.
We can write → 1 hp = 735.50 j/s.
Given is that an object could be moved 100 feet in one minute using a 25 hp {horsepower} engine.
The power of the engine is 25 hp. So, we can write the power of engine as -
25 hp = 25 x 735.5 j/s = 18387.5 j/s
Power = 18387.5 j/s
Power = dW/dt
dW/dt = 18387.5
dW = (18387.5) dt
∫dW = (18387.5) ∫dt
W = (18387.5)t
W = 18387.5 x 60
W = 1103250 Joules
We know -
W = force x displacement
1103250 = m x a x 0.3048
ma = (1103250/0.3048)
3619586.6 = m dv/dt
m dv = 3619586.6 dt
m ∫dv = 3619586.6 ∫dt
mv = 3619586.6 x 60
m x 0.3048/60 = 3619586.6 x 60
m = (3619586.6 x 60 x 60)/0.3048
m = 4.2 x 10¹⁰ kg
Therefore, an object of mass 4.2 x 10¹⁰ kg could be moved 100 feet in one minute using a 25 horsepower engine.
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how to convert mph to ft/s
To convert miles per hour (mph) to feet per second (ft/s), you can use the following formula: 1 mph = 1.46667 ft/s
Miles per hour (mph) is a unit of measurement for speed commonly used in the United States, the United Kingdom, and a few other countries. It represents the distance of one mile traveled in one hour.
To convert miles per hour to other units of speed, you can use the following conversions:
1 mph = 1.609344 km/h (kilometers per hour)
1 mph = 0.86897624 knots (knots)
1 mph = 1.46666667 ft/s (feet per second)
1 mph = 0.44704 m/s (meters per second)
To convert a specific speed from miles per hour to one of the above units, simply multiply the speed in mph by the appropriate conversion factor. For example, to convert 60 mph to kilometers per hour:
60 mph * 1.609344 km/h = 96.56064 km/h
Therefore, 60 mph is equivalent to approximately 96.56 kilometers per hour.
This means that for every one mile per hour, there are approximately 1.46667 feet per second.
To convert a specific speed from mph to ft/s, simply multiply the speed in mph by 1.46667. For example, to convert 60 mph to ft/s:
60 mph * 1.46667 ft/s = 88 ft/s
Therefore, 60 mph is equivalent to 88 ft/s.
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Select the correct symbol and units for wavelength. Select all that apply.nmλ
The symbol for wavelength is λ (lambda) and the units are usually measured in nanometers (nm).
Wavelength is the distance between two successive crests or troughs of a wave, or the distance between two successive points of the same phase in a periodic wave. This can be applied to any kind of wave, including light, sound, water, and radio waves. Wavelengths can be measured in any unit of length, but the most common unit is the nanometer (nm). The wavelength is also related to the frequency of a wave and can be calculated by dividing the speed of the wave by the frequency. The wavelength of a wave determines its properties and behavior.
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Thermal energy is one of the forms of energy resulting from the digestion which gets energy from food in the form of –
answer choices
Mechanical
Radiant
Light
Chemical
Answer:
Explanation:
Chemical
Disturbance that transfers energy from one place to another
wave
energy
vacuums
An interruption known as a wave is one that shifts matter-free energy from one location to another.
How does Wave operate?Wave also lets you create and maintain client profiles, issue receipts, follow-up emails, and payment reminders. In order to issue invoices and monitor payments, it also provides a mobile app just for invoicing.
How does Wave payment work?Businesses may collect payments online, send invoices to clients via email, and keep track of revenue with the help of Wave Payments, a digital payment processing & invoicing tool. Small businesses can afford it since it's free and just levies processing costs.
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Creating a Multimedia Presentation about
Satellite Technology Careers - Student Guide
You could pursue a career in oceanography, aircraft safety, energy conservation, air quality control, space exploration, or education. The most thorough and economical method for remotely monitoring these systems is via satellite.
What is meant by Satellite Technology?Weather forecasting, remote sensing, geo-positioning, navigation, television, and telephony are a few of the services that satellites may offer for disaster risk management and emergency response.
For the purpose of taking pictures, atmospheric sounding, satellite communication, geo-positioning, and navigation, equipment onboard the satellites circling the Earth is created to cover a range of wavelengths in the electromagnetic spectrum.
Depending on the use or instrumentation, satellites orbit the Earth in a variety of ways: A satellite in a geostationary orbit revolves around the planet simultaneously with the rotation of the planet above the equator (0° latitude).
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A substance melts when it changes from a __________ to a __________. What are the missing words in this sentence?
A substance melts when it changes from a solid state to a liquid state.
The temperature at which a substance transforms from a solid to a liquid is known as the melting point. The temperature at which a substance changes from a liquid to a solid is known as the freezing point, which is the exact opposite of the melting point.
An impure solid often melts over a range of temperatures below the melting point of the primary component, whereas this process occurs in pure crystalline solids at a set temperature known as the melting point.
A solid's particles generate enough energy during heating to overcome the strong bonding forces holding them tightly together.
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What is the conversion of 14 c to f ?
The conversion of 14 degrees Celsius to Fahrenheit is 57.2 degrees Fahrenheit.
The equation F = 9/5C + 32 relates temperature measured in degrees Celsius (C) to degrees Fahrenheit (F). The formula is used to convert temperatures from Celsius to Fahrenheit , and vice versa. To use the formula, you simply plug in the known temperature in Celsius (or Fahrenheit), and then solve for the unknown temperature in Fahrenheit (or Celsius).
To convert Celsius to Fahrenheit, you would use the formula F = 9/5C + 32, where C is the temperature in Celsius and F is the temperature in Fahrenheit. Thus, for 17 degrees Celsius, the formula would be F = 9/5(14) + 32 = 57.2 F.
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how to convert pa to mpa
To convert pascals (Pa) to megapascals (MPa), you can divide the value in pascals by 1,000,000.
Megapascals (MPa) is a unit of pressure used in engineering and materials science to measure stress, strength, and hardness of materials. One megapascal is equal to one million pascals, and it is commonly used to express the tensile strength of materials such as metals, ceramics, and composites.
The concept of megapascals is based on Pascal's law, which states that the pressure applied to a fluid is transmitted uniformly in all directions. In materials science, this principle is applied to measure the strength of materials under different loading conditions. For example, the tensile strength of a material is the maximum stress it can withstand under tension before it breaks or deforms permanently.
Megapascals are commonly used to measure the tensile strength of materials such as steel, aluminum, and titanium. For instance, the tensile strength of high-strength steel used in construction can range from 400 to 800 MPa, while the tensile strength of aerospace-grade titanium alloys can range from 800 to 1,200 MPa.
In addition to measuring tensile strength, megapascals are also used to measure other material properties, such as yield strength, elastic modulus, and hardness. These measurements are important in designing and manufacturing products that are safe, durable, and reliable.
This is because one megapascal is equal to one million pascals.
So, the formula to convert pascals to megapascals is:
MPa = Pa / 1,000,000
For example, if you have a pressure of 5,000,000 pascals, you can convert it to megapascals using the formula:
MPa = 5,000,000 Pa / 1,000,000 = 5 MPa
Therefore, 5,000,000 pascals is equivalent to 5 megapascals.
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what is the instrument used for measuring specific gravity? does the instrument needs calibration? if yes, how do you calibrate it? state the formula used for deriving the specific density from the measured specific gravity g
The answers to each question regarding specific gravity is given below.
What is specific gravity?Specific gravity, more formally known as relative density, is a measure of the density of a substance in comparison to the density of water.The ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas.Given is find the instrument used for measuring specific gravity.
The Baumé hydrometer, named for the French chemist Antoine Baumé, is calibrated to measure specific gravity on evenly spaced scales.Yes, the instrument needs calibration.The formula used for deriving the specific density from the measured specific gravity {g} is -[tex]$RD=\frac{\rho_{\text{substance}}}{\rho_{\text{reference}}}[/tex]
Therefore, the answers to each question regarding specific gravity is given above.
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what is the distance from the sun?
Average distance from the Earth to the Sun, known as the astronomical unit (AU), is approximately 93 million miles (149.6 million kilometers)
This distance is used as a standard measurement for distances within the solar system.
However, due to the elliptical shape of the Earth's orbit, the distance from the Earth to the Sun can range from approximately 91.4 million miles (147.1 million kilometers) at the closest point in the orbit (perihelion) to approximately 94.5 million miles (152.1 million kilometers) at the farthest point in the orbit (aphelion).
The distance from the Sun is a critical factor in determining the conditions on Earth, as it affects the amount of energy that the Earth receives from the Sun, which in turn affects the climate, weather patterns, and other environmental factors.
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Ideas for uniform circular motion?This is for a physics lab if u can help please do
The time of motion of the satellite is 1.65 hours. The speed of the satellite from the centre of the Earth is 26,945.35 km/h.
What is the time of motion of the satellite?This is the motion of an object in which the object travels in a straight line and its velocity remains constant along that line as it covers equal distances in equal intervals of time, regardless of time duration.
The time of motion of the satellite in hours is calculated as follows;
t = ( 99 min / 1 ) x ( 1 hour / 60 min )
t = 1.65 hours
The speed of the satellite from the centre of the Earth in km/h is calculated as follows;
v = ( 2πr ) / ( t )
where;
r is the distance of the satellite from the centre of the Earth
The position of the satellite above the surface of the Earth = 705 km
The radius of Earth = 6,371 km
The total distance of the satellite from the centre of the Earth = 705 km + 6,371 km = 7,076 km
v = ( 2π x 7076 ) / ( 1.65 )
v = 26,945.35 km/h
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