How to convert 97.9 f to c

Pipe diameter has a significant impact on pressure drop in a fluid flow system. The relationship between pipe diameter and pressure drop is governed by the Darcy-Weisbach equation, which describes the relationship between the frictional losses in a fluid flow system and the fluid flow rate.

The Darcy-Weisbach equation can be written as:

ΔP = f (L/D) (ρV^2/2)

where:

ΔP = pressure drop

f = friction factor

L = length of the pipe

D = diameter of the pipe

ρ = density of the fluid

V = velocity of the fluid

The term (L/D) in the equation is known as the pipe's "slenderness ratio," and it describes the ratio of the pipe's length to its diameter. The slenderness ratio is an important parameter in the Darcy-Weisbach equation because it affects the friction factor.

As the diameter of the pipe increases, the slenderness ratio decreases. This, in turn, reduces the friction factor and, therefore, reduces the pressure drop in the system. This means that larger diameter pipes will typically have lower pressure drops than smaller diameter pipes for the same flow rate.

It is worth noting that other factors, such as the fluid's viscosity, velocity, and the roughness of the pipe's interior surface, can also affect the pressure drop in a fluid flow system. However, pipe diameter is a critical factor that should be considered when designing fluid flow systems to ensure that the system operates efficiently and effectively.

To know more about diameter here

https://brainly.com/question/732113

#SPJ4

There are mainly two types of transistors. They are bipolar junction transistors and Field effect transistors.

Transistors are made with semiconductors, used for the regulation of current flow as well as voltage flow. They also acts as switches or gates.

Bipolar junction transistors are of two types. PNP transistors and NPN transistors. There are 3 layers, emitter, base and collector. There are two types of currents flows, electrons and holes. In PNP, the current flows as holes. In NPN, electrons from emitter transported  through base and collected at the collector.

Field effect transistors has three terminals, source, drain, gate. Here the arrangement of n and p semiconductors is slightly different. The electrons cannot flow from the source, made up of n, to the drain, because the gate between them contains holes. By attaching a positive voltage to the gate, it allows the flow of electrons, due to the creation of electric field. So the name field effect transistors.

So the two basic type of transistors are Bipolar junction transistors and field effect transistors.

For more information regarding Transistors, kindly refer

https://brainly.com/question/23822494

#SPJ4

If an equal number of positive and negative charges are at the same location, the voltage at that location would be zero.

This is because voltage is a measure of the potential energy difference between two points in an electric field, and if there are an equal number of positive and negative charges at the same location, the net electric field and potential energy difference would be zero.

The positive and negative charges would cancel each other out, resulting in no net electric field or potential difference. Therefore, the voltage would be zero at the location where the positive and negative charges are equal in number and co-located.

To know more about the voltage, here

brainly.com/question/29445057

#SPJ4

Newton's first law of motion, also known as the law of inertia, states that an object at rest will remain at rest, and an object in motion will continue to move at a constant velocity, unless acted upon by an external force.

An example of Newton's first law is a book lying on a table. The book is at rest and will remain at rest unless an external force acts on it, such as someone picking it up or a strong gust of wind blowing it off the table. Once the external force is applied, the book will move according to the direction and magnitude of the force.

Another example is a hockey puck sliding on the ice. If there were no friction, the puck would continue to slide in a straight line at a constant velocity. However, due to friction, the puck slows down and eventually comes to a stop, unless another external force is applied to keep it in motion.

In both examples, the objects will remain at rest or in motion with a constant velocity, according to Newton's first law, unless acted upon by an external force.

To know more about motion here

https://brainly.com/question/24018491

#SPJ4

To determine the experimental error, we need to compare the experimental value with the expected or theoretical value.

At STP (Standard Temperature and Pressure), 1 mole of gas occupies a volume of 22.4 L.

Experimental error can be calculated using the following formula:

Experimental error = |(experimental value - theoretical value) / theoretical value| x 100%

Substituting the values given:

Experimental error = |(21.4 L - 22.4 L) / 22.4 L| x 100%

Experimental error = |-0.0446| x 100%

Experimental error = 4.46%

Therefore, the experimental error is 4.46%.

Standard Temperature and Pressure (STP) is a standard set of conditions for experimental measurements of gases. The standard temperature is 0°C (273.15 K or 32°F), and the standard pressure is 1 atmosphere (atm) or 101.325 kilopascals (kPa).

At STP, 1 mole of an ideal gas occupies a volume of 22.4 liters (L). This is known as the molar volume of a gas at STP and is derived from the ideal gas law, which relates the pressure (P), volume (V), number of moles (n), and temperature (T) of a gas:

PV = nRT

Where R is the gas constant. At STP, the values of P, V, and T are fixed, allowing us to calculate the number of moles of gas present (1 mole) and the volume occupied by that amount of gas (22.4 L).

To know more about STP,visit:

https://brainly.com/question/30088005

#SPJ1

Yes, an IGBT (Insulated Gate Bipolar Transistor) can be used to produce a bipolar square wave.

A bipolar square wave is a waveform that has equal positive and negative voltage levels and is characterized by abrupt changes between the two voltage levels.

To produce a bipolar square wave using an IGBT, the IGBT is typically used in conjunction with other electronic components, such as a pulse generator and a transformer. The pulse generator provides a series of short-duration voltage pulses that are used to trigger the IGBT, which in turn switches the voltage applied to the transformer. The transformer then converts the voltage to the desired waveform, which can be a bipolar square wave.

Bipolar square waves have a wide range of applications in electronics, including in power electronics, motor control, and signal processing. The use of an IGBT to generate bipolar square waves is a popular technique due to the high switching speeds and high current-carrying capabilities of IGBTs.

Learn more about waveform:

brainly.com/question/6036525

#SPJ4

60 degrees Celsius is equal to 140 degrees Fahrenheit.

What is Fahrenheit?

Fahrenheit is a temperature scale commonly used in the United States and some other countries. On the Fahrenheit scale, the freezing point of water is 32 degrees Fahrenheit and the boiling point of water is 212 degrees Fahrenheit at standard atmospheric pressure.

To convert Celsius to Fahrenheit, First we can use the following formula:

°F = (°C x 1.8) + 32

where

Using this formula, we can convert 60 degrees Celsius to Fahrenheit as follows:

°F = (60 x 1.8) + 32

°F = 108 + 32

°F = 140

Therefore, 60 degrees Celsius is equal to 140 degrees Fahrenheit.

Learn more about fahrenheit here : brainly.com/question/26141817

#SPJ1

Answer:

The work done on the block by the force of gravity is 392.4 J. The work done by the normal force is zero. The work done by the net force is equal to the change in kinetic energy of the block. At the end of the slide, the block has a kinetic energy of (1/2)mv^2, where v is the speed of the block.

Explanation:

Diamagnetic means substances that are repelled by a magnetic field and paramagnetic means the substances that are attracted by a magnetic field.

The main differences between the paramagnetic and diamagnetic substances is the attraction and repulsion in presence of a magnetic field.

Paramagnetic materials have at least one unpaired electron in their shells. When it is kept in a magnetic field, the field lines pass through the substance. Relative permeability will be more than 1.

Diamagnetic substances have all the electrons paired. It also tend to repel the magnetic field lines. Relative permeability will be more than 1.

So the main difference is paramagnetic material is attracted by the magnetic field while diamagnetic substance is repelled.

For more information regarding paramagnetic and diamagnetic substances, kindly refer

https://brainly.com/question/30166441

#SPJ4

Approximately 20 drops are there in 1 mL of a liquid.

The number of drops in a milliliter (ml) of liquid depends on various factors such as the size of the dropper or the viscosity of the liquid. However, a general approximation used in the medical field is that there are approximately 20 drops in 1 mL of liquid for a standard dropper and a liquid with medium viscosity, such as water.

This is an approximation and the actual number of drops can vary based on the specific liquid and dropper used. Additionally, some droppers are designed to deliver a specific volume of liquid per drop, which can be different from the standard approximation.

To know more about the mL, here

brainly.com/question/11009135

#SPJ4

--The complete question is, How many drops of liquid are in a ml?--

33600 J/K is the latent heat of fusion of ice. The amount of heat needed to transform a unit mass of ice from a solid state into a liquid state is known as the latent heat of fusion of ice.

We have some data:

Into an insulated cup is added 100g of water at 25°C.

The water is added to 50g of ice that is at 0°C.

Until the water reaches a temperature of 0°C, it is swirled.

18g of ice have not yet melted.

Water has a specific heat capacity of 4.2J/g'C.

Mass of water mg = 100 g

Water's initial temperature T1w = 25 degree C

Water's final temperature T2w = 0 degree C

Initial mass of ice m1 = 50 g

Final mass of ice m2 = 18 g

Ice that melted = Change in mass = 50 - 18 = 32 g

L is ice's latent heat of fusion

Heat lost by water = water ice received to melt 32 g

mw * C * change in T = change in mL

L = (100 * 4.2 * 25)/32

L = 328 J/g = 330 J/g

Learn more about latent heat here:

https://brainly.com/question/10081092

#SPJ4

The combined speed of the two balls of clay after the collision is 7.2 m/s.

Momentum is a concept in physics that is used to describe an object's resistance to changes in motion. It is based on the principle of inertia, which states that an object will remain in a state of rest or constant motion unless acted upon by an outside force. Momentum is calculated by multiplying the mass of an object by its velocity. Momentum is a vector quantity, meaning that it has both magnitude and direction. Momentum is also conserved, meaning that the total momentum of any closed system remains constant.

The combined speed of the two balls of clay after the collision can be calculated using the law of conservation of momentum. According to this law, the momentum of the system before and after the collision is the same. momentum is equal to the mass multiplied by velocity (p = mv). Before the collision, the total momentum of the system is equal to the sum of the momentum of each ball. So, before the collision, the total momentum of the system is equal to 6 kg x 14 m/s + 24 kg x 8 m/s = 216 kg m/s.

After the collision, the two balls of clay stick together, so their combined mass is equal to 6 kg + 24 kg = 30 kg. Since the momentum of the system is conserved, the combined speed of the two balls of clay after the collision is equal to the total momentum (216 kg m/s) divided by the combined mass (30 kg), which is equal to 7.2 m/s. Therefore, the combined speed of the two balls of clay after the collision is 7.2 m/s.

To know more about momentum click-
https://brainly.com/question/1042017
#SPJ1

The correct response is D. There is insufficient information to answer this question.

Luminosity measures the total amount of energy a star emits in a unit of time whereas, surface temperature measures the average kinetic energy of the particles in the star's atmosphere. Hence, it is not possible to estimate the relative diameters of two stars based solely on the knowledge that they have the same luminosity and that one has a greater surface temperature than the other.

Many factors, including as a star's mass, brightness, and surface temperature, affect its size. It is hard to tell which star is bigger or if they are the same size without knowing more about the masses and other characteristics of the two stars.

To know more about Luminosity, visit:

https://brainly.com/question/14140223

#SPJ1

The College Board provides an official formula sheet for the AP Physics 1 exam, which includes several different formulas like kinematics, Newton's law and many others.

1)  Kinematics:

v = vo + at

x = vot + [tex]1/2at^2[/tex]

[tex]v^2[/tex] =[tex]vo^2[/tex]+ 2a(x - xo)

2) Newton's Laws:

Fnet = ma

Fg = mg

Ff ≤ μFn

3) Work, Energy, and Power:

W = Fdcosθ

K = [tex]1/2mv^2[/tex]

ΔU = -W

P = W/t

4) Systems of Particles and Linear Momentum:

p = mv

Fnet = Δp/Δt

I = [tex]mR^2[/tex]

5) Rotational Motion and Torque:

τ = Frsinθ

α = Δω/Δt

KErot = [tex]1/2Iω^2[/tex]

6) Oscillations and Gravitation:

T = 2π√(L/g)

Fg = [tex]G(m1m2/r^2)[/tex]

7) Waves:

v = fλ

v = √(F/μ)

Note that this list is not exhaustive and other formulas may also be relevant to the AP Physics 1 exam. It's important to review the entire formula sheet and understand how each formula is derived and applied in different contexts.

For more such questions on kinematics

https://brainly.com/question/26407594

#SPJ4

[tex]1.65 * 10^2^1 N[/tex] is the average force of gravitation between Mars and the Sun. So, the correct option is C.

Gravitational force is defined as the fundamental interaction which causes mutual attraction between all things that have mass or energy.

The magnitude of the gravitational force between two objects is given by the equation:

[tex]F=G\frac{m_1m_2}{r^2}[/tex]

where,

[tex]G= 6.67* 10^-^1^1 m^3 kg^-^1 s^-^2[/tex] is the gravitational constant

[tex]m_1, m_2[/tex] are the masses of the two objects

r is the separation between them

For the above given information,

[tex]m_1= 1.99* 10^3^0 kg[/tex] is the mass of the Sun

[tex]m_2= 6.39* 10^2^3 kg[/tex]  is the mass of Mars

[tex]r= 229* 10^6 km = 229* 10^9 m[/tex]  is the average distance between the Mars-Sun

By putting the value we can find the gravitational force:

[tex]F= (6.67 * 10^-^1^1)\frac{(1.99* 10^3^0) (6.39* 10^2^3)}{(2.29*10^9)^2}[/tex]

[tex]F= 1.62* 10^2^1 N[/tex]

Thus, [tex]1.65 * 10^2^1 N[/tex] is the average force of gravitation between Mars and the Sun. So, the correct option is C.

Learn more about Gravitational force, here:

brainly.com/question/1724648

#SPJ9

Your question is incomplete, most probably the complete question is:

What is the gravitational force between Mars and the sun?

An example of the first law of thermodynamics in action is a car engine, that converts chemical energy to mechanical energy to power its motion.

The first law of thermodynamics, also known as the law of conservation of energy, states that the total energy of a closed system remains constant, which means energy can only be converted and not made or destroyed.

In this process, the fuel is burned in the engine, releasing heat energy that is used to increase the temperature and pressure of the gases in the engine cylinder. The expanding gases then push a piston, converting the heat energy into mechanical work to turn the car's wheels.

Although some of the energy is lost to the environment as waste heat, the total energy of the system remains constant, demonstrating the first law of thermodynamics in action. This law is fundamental to understanding and predicting the behavior of energy in all physical and chemical systems, from power plants and engines to everyday processes such as cooking and exercising.

Learn more about law of thermodynamics here:

https://brainly.com/question/15591590

#SPJ4

According to the statement, If a force 1.21 x 103 N is needed to bring a car moving at 22.0 m/s to a halt in 20.0 s then the mass of the car is 1.10 x 10³ kg.

The push or draw motion is the simplest definition of force. Contact forces and non-energies are two different kinds of forces. Nuclear force, gravitational force, mechanical force, electrostatic force, electrical force, spring force, and others are a few instances of forces.

According to formula

force = mass x acceleration

When the car is brought to a halt, its final velocity is 0 m/s.

[(Final velocity) – (Initial velocity)] / Time = acceleration

acceleration = (0 - 22.0 m/s) / 20.0 s

acceleration = -1.10 m/s²

Note that we have used a negative sign because the acceleration is opposite to the direction of the initial velocity.

1.21 x 10³ N = mass x (-1.10 m/s²)

mass = 1.21 x 10³ N / (-1.10 m/s²)

mass = -1.10 x 10³ kg

The negative mass value doesn't make sense physically, so we need to use the absolute value:

mass = 1.10 x 10³ kg

To know more about force visit :

https://brainly.com/question/13014979

#SPJ1

The number of seconds in 365 days is 31,536,000 seconds.

The number of days in a year is 365 days. The number of hours in a day is 24 hours. The number of minutes in an hour is 60 minutes. The number of seconds in a minute is 60 seconds. So the number of seconds in a year is 365×24×60×60 = 31536000 seconds.

There are 31,536,000 seconds in a year. This is calculated by multiplying the number of seconds in a minute (60) by the number of minutes in an hour (60) by the number of hours in a day (24) by the number of days in a year (365).

However, it's worth noting that a year is not always exactly equal to 31,536,000 seconds. Because the length of a year is not exactly equal to 365 days, a leap year has an additional day (366 days). This means that a leap year has 31,622,400 seconds or approximately 86,400 seconds more than a non-leap year.

For further learning about seconds, refer to the link:

https://brainly.com/question/11879335

#SPJ4

To calculate the efficiency of a pulley, the student can divide the output work (the work done lifting the log) by the input work (the work done by the student pulling the rope) and multiply the result by 100% to get a percentage.

When a student uses a pulley to lift an object or a log. Then, the efficiency of the pulley can be calculated by dividing the weight lifted by the pulley divided by total force applied on the pulley.

Efficiency is the ratio of work output to the work input. A pulley is a simple machine which can change the direction of a force applied on the object. Combinations of pulleys can be used to change the magnitude of force as well as the direction of applied force. A combination of pulleys is called as a block and tackle system.

To calculate the efficiency of a pulley, we divide the weight lifted by the force applied on the object, and then multiply it by 100.

Efficiency percentage of pulley = (W/ f) × 100

Efficiency of pulley = W/f

where, W is the weight

W = mg

where, m is the mass of the object and g is the acceleration due to gravity.

Learn more about Pulley's efficiency here:

https://brainly.com/question/13752440

#SPJ2

Limited liability partnerships are attractive to professions like medicine or law because they limit the amount of personal risk that one person takes.

Your choices and investments in a Limited Liability Partnership are entirely your responsibility. A third kind of corporate business form called an LLP combines the adaptability of a partnership with the limited liability of a corporation. Changes in partners won't put an end to the LLP's existence. It has the authority to enter into contracts and own property in its own right. In a general partnership, the partners are individually responsible for all debts incurred by the business, including but not limited to employee behaviour. Moreover, each owner bears unlimited personal responsibility for their deeds.

A limited liability partnership (LLPprincipal )'s advantage is that it lowers the participants' personal liability while yet allowing the partnership to continue functioning as a pass-through entity for tax purposes.

To know more about liability partnerships on

https://brainly.com/question/15301972

#SPJ4

An online calculator of Simpson's rule is a tool available on various websites that allows you to approximate the definite integral of a function using Simpson's rule.

Simpson's rule is a numerical integration technique that approximates the area under a curve by fitting a second-degree polynomial (i.e., a parabola) to three consecutive points on the curve, and then integrating the polynomial over the interval of interest.

The formula for Simpson's rule can be expressed as follows:

∫_a^b f(x) dx ≈ (b-a)/6 [f(a) + 4f((a+b)/2) + f(b)]

where f(x) is the function to be integrated, a and b are the limits of integration, and the approximation sign indicates that the formula is an approximation of the exact value of the integral.

Online calculators of Simpson's rule typically have fields for entering the function to be integrated, the limits of integration, and the number of subintervals (i.e., the number of parabolas to be used in the approximation). The calculator then applies Simpson's rule to the function over the specified interval, and returns an approximate value of the definite integral.

Some online calculators of Simpson's rule may also provide additional features, such as graphing the function and the approximation, or comparing the results of Simpson's rule to other numerical integration techniques.

To know more about Simpson's rule here

https://brainly.com/question/30459578

#SPJ4

The amount of work done on all three cases involve the same work.

What are the properties of equipotential lines?

1. Equipotential lines are always perpendicular to the electric field lines.

2. Equipotential lines have the same potential at all points on the line.

3. Equipotential lines never intersect each other.

4. The spacing between equipotential lines is equal at all points.

5. The electric field strength is zero at all points on equipotential lines.

In all the three case the change of potential or potential difference, are same.

ΔV = Vp - Vq

     = 10-25

     = -15 V

Work done = Vq

So, work done in all the three case are same.

Hence, option (A) all three cases involve the same work is correct.

To learn more about equipotential lines the link

https://brainly.com/question/13266693

#SPJ1

From the given information provided, by comparing the charges of capacitors, the correct answer is (e) Q₁ < Q₂ = Q₃.

The charges Q₁, Q₂, and Q₃ on the three capacitors can be calculated using the formula Q = CV, where Q is the charge, C is the capacitance, and V is the voltage across the capacitor.

Given that the capacitors are connected to a battery of voltage V₀ and the capacitance of C₂ is twice that of C₁, and the capacitance of C₃ is three times that of C₁, we can write:

C₂ = 2C₁

C₃ = 3C₁

a) To compare Q₁, Q₂, and Q₃, we need to express them in terms of C₁. From the above equations, we can write:

C₁ = C₁

C₁ = 2C₁

C₃ = 3C₁

Using the formula Q = CV, we can calculate the charges as:

Q₁ = C₁ V₀

Q₂ = C₂ V₀ = 2C₁ V₀

Q₃ = C₃ V₀ = 3C₁ V₀

Since V₀ is the same for all capacitors, we can compare the charges by comparing the values of C₁, 2C₁, and 3C₁:

Q₁ = C₁ V₀

Q₂ = 2C₁ V₀

Q₃ = 3C₁ V₀

Since C₁ < 2C₁ < 3C₁, we can conclude that:

Q₁ < Q₂ < Q₃

Learn more about capacitors here: brainly.com/question/21851402

#SPJ4

The gas found in the largest concentration in the troposphere is called nitrogen (N2).

The Earth's atmosphere is composed of a mixture of gases, primarily nitrogen (N2), oxygen (O2), and argon (Ar), as well as trace amounts of other gases such as carbon dioxide (CO2), neon (Ne), helium (He), and methane (CH4), among others.

The concentration of each gas varies throughout the different layers of the atmosphere, with some gases being more abundant in certain layers than others.The troposphere is the lowest layer of the atmosphere, extending from the Earth's surface up to an altitude of about 7 to 20 kilometers, depending on latitude and season.

The troposphere is the layer in which weather occurs, and it is also where most of the Earth's biosphere is located, including trees, plants, and animals.

Nitrogen is the most abundant gas in the troposphere, making up about 78% of the volume of the Earth's atmosphere. This means that out of every 100 molecules in the air we breathe, about 78 of them are nitrogen molecules. Oxygen is the second most abundant gas in the atmosphere, at about 21% by volume. Other gases found in smaller concentrations in the troposphere include argon, carbon dioxide, neon, helium, and methane, among others.

The abundance of nitrogen in the atmosphere is due to several factors, including the fact that nitrogen is a relatively inert gas and is not easily reactive with other elements or compounds. Nitrogen is also continuously supplied to the atmosphere through biological and geological processes, such as the nitrogen cycle in soil and the release of nitrogen from volcanoes and geothermal vents.

Overall, the abundance of nitrogen in the troposphere is important for the balance of the Earth's atmosphere and the maintenance of life on our planet.

To learn more about troposphere Click here:

brainly.com/question/15228415

#SPJ4

1. The force acting on 15m is 40 N. Then the work done by the shopper is 300 J.2.  The kinetic energy change is equal to the work done here. Hence, the velocity of the cart is 5 m/s. 3. The power of the cart in 2.7 s is 111 W.

Work done is the product of force and displacement of an object . Like force, work done is a vector quantity characterized by a magnitude and direction.

1. The force here = 40 N

displacement = 15 m

angle of horizontal inclination = 30°

then W = F.d sin θ

W = 40 N × 15 sin 30 = 300 J

2. The change in kinetic energy ΔKE = work done.

here initial kinetic energy zero since, the cart was at rest.

then ΔKE  = 1/2 mv² = 300 J

m = 24 kg

then v = 5 m/s.

3. Power exerted to stop - work done/time

P = 300 J/2.7 s = 111 W.

Find more on work done:

https://brainly.com/question/30073908

#SPJ1

Answer:

(a) Kinetic energy stored in the spring = 1/2 * k * x^2 = 1/2 * 455 N/m * 11.5 cm^2 = 6,362.5 J

(b) Velocity of the ball = √(2*6,362.5 J / 0.756 kg) = 22.1 m/s

(c) Time till ball hits the deck = (85.5 cm – 11.5 cm) / 22.1 m/s = 3.5 s

(d) Horizontal distance = 22.1 m/s * 3.5 s = 77.4 cm

(e) Kinetic energy of the ball just before it hits the deck = 1/2 * 0.756 kg * 22.1 m/s^2 = 79.9 J

PLEASE GIVE BRAINLIEST FOR ANSWER. WORKED VERY HARD ON THIS

If the Earth's distance from the sun were to double, the intensity of sunlight at our new orbit would decrease by a factor of four (2²).

What is orbit?

The route an object makes around another object while being pulled by gravity is known as an orbit. The planets, moons, asteroids, and other celestial bodies in our solar system revolve around the sun. Orbits are typically elliptical in shape rather than being complete circles.

The smaller object is maintained in place by the gravitational force between the two items because the object being orbited is normally far more massive than the object in orbit. The mass of the object being orbited and the separation between the two objects influence the speed of the object in orbit. Understanding and forecasting the motion of celestial objects, as well as planning the trajectories of spacecraft, depend heavily on orbits.

If the Earth's distance from the sun were to double, the intensity of sunlight at our new orbit would decrease by a factor of four (2²).

This is because the intensity of sunlight follows an inverse square law with distance, which means that if the distance between the Earth and the sun is doubled, the intensity of sunlight received by the Earth will decrease by a factor of four.

So, if the Earth were to move to an orbit twice as far away from the sun, the intensity of sunlight reaching the Earth would be only one-fourth as intense as it is now. This would have a significant impact on the temperature and climate of the Earth, as well as the availability of sunlight for photosynthesis by plants.

Learn more about intensity of sunlight click here:

https://brainly.com/question/28895397

#SPJ1

In the absence of an external force, a moving object will continue to move in a straight line with a constant speed, according to Newton's first law of motion.

In physics, force is defined as an influence that causes an object to undergo a change in motion, either by accelerating, decelerating, or changing direction. Force can be described as a push or a pull on an object, and it is typically measured in units of newtons (N) in the International System of Units (SI). Some common examples of forces include gravity, friction, electromagnetic force, and the force applied by a person or machine. The laws of motion developed by Isaac Newton provide a mathematical framework for understanding how forces affect the motion of objects.

Here,

This means that an object in motion will maintain its state of motion unless acted upon by an unbalanced force. Therefore, in the absence of an external force, the object will not change its velocity, which includes both speed and direction. This principle is applicable to both stationary and moving objects, and is a fundamental concept in classical mechanics.

To know more about force,

https://brainly.com/question/29044739

#SPJ1

The correct option is B. If the skaters push away from each other, their momentum is equal but opposite.

Mass is a fundamental concept in physics that refers to the amount of matter in an object. It is a scalar quantity that has a magnitude but no direction. Mass is typically measured in units of kilograms (kg) in the International System of Units (SI).

Mass is a property of an object that resists any change in its motion, whether it is at rest or in motion. This is described by Newton's Second Law of Motion, which states that the force applied to an object is proportional to its mass and its acceleration. This relationship is often expressed as F=ma, where F is the force applied, m is the mass of the object, and a is its acceleration.

Mass is also related to energy through the famous equation E=mc², where E is the energy of an object, m is its mass, and c is the speed of light in a vacuum.

To learn more about Mass visit here:

brainly.com/question/15959704

#SPJ4

Complete Question:

Two skaters stand facing each other.  One skater’s mass is 60 kg, and the other’s mass is 72 kg.  If the skaters push away from each other,

1. the 60 kg skater travels at a lower momentum.

2. their momentum is equal but opposite.

3. their momentum doubles.

4. their total momentum decreases

It is false that, while the temperature is held constant, Boyle's Law states that a gas's volume varies directly with its pressure.

Boyle's Law is a fundamental principle in chemistry that describes the behavior of gases at constant temperature. According to the law, the volume of a gas at a given temperature is inversely proportional to the pressure it exerts (this rule was established by Robert A. Boyle in 1662).

However, the above statement contains the false assertion that the volume of a gas is directly related to its pressure as long as the temperature remains constant.

To know more about Boyle's law, visit,

https://brainly.com/question/1696010

#SPJ4