a proton with mass 1.7×10−27 kg is moving with a speed of 2.8×108m/s.(q15, from q14) what is the kinetic energy of this proton?

Nuclear energy is the energy in the nucleus, or core, of an atom. Nuclear energy can be used to create kinetic energy or electricity, but it must first be released from the atom.

Nuclear energy originates from the splitting of uranium atoms – a process called fission. This generates heat to produce steam, which is used by a turbine generator to generate electricity. Because nuclear power plants do not burn fuel, they do not produce greenhouse gas emissions.

Some primary uses of nuclear energy are- Space Exploration, Nuclear energy provides nearly 20% of electricity in many countries like United States, Medical Diagnosis and Treatment, Criminal Investigation and Agriculture.

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Answer:

8.74 m

Explanation:

W = FΔx

376 = 43(Δx)

8.74 = Δx

Hey there everyone!

_____________________________________________________

Answer:

So, if you have the following to choose from:

O 368 m

O 44.6 m

O 384 m

O 3170 m

44.6 m (aka. Option B) is correct.

_______________________________________________________

Step By Step Explanation:

1. F = 8.43 N

2. W = 376 J

3. W = F x d

4. 376 J = 8.43 N × d

5. d = 44.6 m ← Our Final Solution

_______________________________________________________

Hope this helps! If you still need help on this, feel free to check out the flash cards I made below.

h t t p s : / / q u i z l e t . c o m / 7 6 4 3 6 7 9 6 0 / p h y s i c a l - s c i e n c e - 2 2 - f o r c e - a n d - w o r k - r e l a t i o n s h i p s - f l a s h - c a r d s / ? n e w

A box is being dragged across the floor at a constant speed by a rope pulling horizontally on it. friction is not negligible. Weight (W), the normal force( N), and the tension force( T )in the string will all be forces operating on the box.

The force transmitted through a rope, string, or wire while opposing forces pull it is referred to as the tension force.

Energy is drawn equally from both ends by the tension force, which is exerted along the entire length of the wire.

A box is being dragged across the floor at a constant speed by a horizontally pulling rope. Friction has a big impact.

As a result, the weight W, normal force N, and tension force T in the string will all be acting on the box.

Your question is incomplete but most probably your full question was

A box is being dragged across the floor at a constant speed by a rope pulling horizontally on it. friction is not negligible. identify all the forces acting on the box.

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Answer: B

Explanation:

As gas bubbles accumulate, the upward pressure increases, forcing cracks in the rocks to widen, often in the direction of Earth's surface. For magma to erupt from a volcano, this upward pressure must exceed the downward pressure that is exerted by the eight-kilometer (five mile) thick load of rock overhead.

Besides astronomy, copernicus study paintings and mathematics in school of the university of krakow.

The basic ideas of Copernicus already appear in the 7 ’axioms’ of his first published work, the Commentariolus. These axioms were:

1. There is no single centre for all orbits in the universe.

2. The Earth’s centre is not the centre of the universe, but only of the lunar orbit.

3. The centre of the universe is near the sun.

4. The distance from the Earth to the sun is imperceptible compared with the distance to the stars.

5. The daily rotation of the Earth accounts for the apparent daily rotation of the stars, which themselves are immobile.

6. The apparent annual cycle of solar motion is caused by the Earth revolving round it once every year.

7. The apparent retrograde motion of the planets is caused by the motion of the Earth around the sun, and from which one observes the planets.

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The number of turns in the secondary coil of the transformer is 50.

What is a Transformer?

The transformer is a device used to increase or decrease the input voltage.

The ratio of the output voltage to the input voltage gives the turn ratio of the secondary coil and the primary coil. The ratio is given by the formula,

V2/V1=n2/n1

where V2 is the output voltage, V1 is the input voltage, n2 is the number of turns on the secondary coil and n1 is the number of turns on the primary coil.

Given V1=120 V, V2= 6 V, and n1=1000 turns, substitute these values in the above formula and solve it to get the value of n2.

6/120 = n2/1000

n2=6*1000/120

n2=50

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Answer:

Overhead cables are often slack to allow to expand on hot days without breaking.

Explanation:

They hang power lines with enough (even it seems tons!) slack to allow conductors to expand and contract due to the variations in ambient temperature and the current flowing through them. If strung tight, they will keep snapping causing the disruption in power flow.

Overhead cables are often slack to allow them to expand on hot days without breaking, as overhead cables, such as electrical power lines or communication cables, are exposed to various environmental conditions, including temperature fluctuations. Here option a is correct.

When temperatures rise, materials, including metals used in cables, tend to expand. This expansion can lead to increased tension and stress within the cable. If a cable is already under high tension and does not have room for expansion, it can potentially lead to structural damage or even breakage. To accommodate the expansion of the cables during hot weather, they are deliberately kept slack or loose. By allowing some slack in the cables, they have the flexibility to expand and contract with changes in temperature. This prevents excessive tension and reduces the risk of the cables becoming overstressed and breaking.

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complete question is below

Complete the following sentence. Overhead cables are often slack to allow them to __________ on hot days without breaking.

a, expand

b, contract

When working with a Hybrid Vehicle (HV), there are certain safety precautions that must be taken in order to ensure the safety of you and your vehicle. First and foremost, make sure you read and understand the vehicle’s owner's manual before attempting to operate the vehicle.

This is the best source of information for understanding the safety features and operational guidelines for the HV.

Additionally, always use the correct size and type of tires, as stated in the owner’s manual. This will help to ensure optimal performance and safety. Additionally, inspect the brakes of the hybrid vehicle HV regularly, and make sure all lights and signals are working properly.

Finally, check the battery and make sure it is in good condition. Following these steps will help to ensure the safe and efficient operation of your HV.

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The intriguing functions of mirror neurons are described by neuroscientist Vilayanur Ramachandran. These neurons, which have only lately been found, enable us to acquire intricate social skills.

A mirrors is a collection of features that reflects light and creates an actual or fictitious picture. When an item is placed front of a mirror, the mirror reflects the same object. Glass can also be coated with metal to create mirrors.

Wet depositing of silver or aluminum is primarily used in the manufacture of contemporary mirrors. The glass substrate is first cleaned and polished to get rid of blemishes and pollutants. Next, a sequence of coatings must be applied to the glass, starting with tin chloride.

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At 0 frequency (0Hz) or DC, the capacitor acts like an open circuit due to its reactance for this reason blocking off any output voltage feedback. As a result, little or no negative feedback is furnished from the output again to the input of the amplifier.

Therefore at low frequencies, the LPF has finite output and at high frequencies the output is nil, that's identical to an integrator circuit. for this reason, a low skip filter can be said to be worked as an integrator. Then the voltage variant in C may be very small.

A common op-amp circuit uses a remarks capacitor to limit the bandwidth. proscribing op-amp bandwidth will reduce noise, so a remarks capacitor is not an unusual way to reduce noise. To apprehend how the comments capacitor works, remember that a capacitor acts as a brief to “high frequency” AC indicators.

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Ideally, motorists should try to enter the toll road c. at the same speed as a motorist on the freeway

Velocity is a vector quantity that measures the speed and direction of an object's change in position. Examples of speed units are km/hour, m/minute, m/second, and so on. There are two concepts of speed, namely the instantaneous speed is the speed of the object at a time and the average speed is the result of transfers at intervals each time.

When on expressway lane motorists should use the same speed as other motorists. The speed of other drivers is in accordance with the rules for the average speed of driving on the highway. This aims to keep the driver focused and to prevent accidents.

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Six examples in which Physics has been used in daily life include:

Physics plays a major role in transportation, from the design of cars and airplanes to the operation of trains and buses. Physics is also used in communications, from the design of telephone networks to the operation of the internet.

Physics is used to generate energy from various sources, such as fossil fuels, nuclear power, hydroelectric power, and wind power. Physics is used in medical imaging, such as X-rays, CT scans, and MRI.

Physics plays a major role in construction, from the design of buildings and bridges to the materials used in construction.  Physics is also used in entertainment, from the design of amusement park rides to the operation of video games.

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Due to its only being able to travel to and fro, if an item goes in a straight line northern, the only additional direction it may move is southward.

Since linear motion consists of movement in one dimension in a straight line, also called as rectilinear motion, it may be analytically described only using just that spatial dimension.

The two forms of linear motion are non-uniform motion with changing velocity and non-zero acceleration.

Uniform linear motion is defined by a constant speed or no acceleration. A person moving linearly would sprint 100 m on a smooth path.

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Answer:

1489.6 Joules

Explanation:

Potential Energy:

[tex] \displaystyle{\text{PE} = mgh}[/tex]

m is mass (kg), g is acceleration due to gravity which is 9.8 m/s² (some people use 10 m/s² which is acceptable) and h is height. Hence, substitute in known values:

[tex] \displaystyle{\text{PE} = 19 \times 9.8 \times 8} \\ \\ \displaystyle{\text{PE} =1489.6 \: \text{J}}[/tex]

Hence, the potential energy is 1489.6 Joules

The time it will take a fish swimming at a speed of 15 kilometers per hour to travel a distance of 900 kilometers would be = 60hours.

Speed is defined as the scalar quantity that is used to define the rate of movement of an object with respect to time.

That is; Speed = distance/ time = s/t = km/hr

Speed = 15 km/hr

Distance = 900km

Time = X

Make t the subject of formula;

t = speed/distance = 900/15 = 60hours.

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Answer:

monkey tunky funky luncky

The spring constant of the bow is 0.49 N/m.

The spring constant of the bow is calculated by applying Hooke's law, which states that force applied to an elastic material is directly proportional to the extension of the material.

F = kx

k = F / x

where;

k = ( mg ) / x

where;

K = ( 0.02  kg x 9.8 m/s² ) / ( 0.4 m )

K = 0.49 N/m

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The value of the work that was done on the car is 24.6 J.

Work is an energy that move from or to one object into another object that might make the object have the displacement, or we can say work is equal to force multiply with displacement in meters. In formula form, it will be written as W = F x s. As per data given F = 36.8 N and s = 668 m. The work will be:

W = F x s

W = 36.8 x 668

W =  24,582J  

Let round the work value. So, the work value will be 24.6 J

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The angle that Boulevard N makes with Street L north of their intersection is also 75°.

Intersection is a point where two or more lines, curves, surfaces, or objects meet or cross each other. It is a common concept in mathematics, engineering, and everyday life. In mathematics, an intersection is a point where two or more sets of objects meet. In engineering, an intersection is a point where two or more roads, railways, or other transportation routes meet. In everyday life, an intersection is a point where two or more paths, streets, or other routes meet. Intersections are important in transportation, as they are the points where vehicles can change direction or turn around. Intersections are also important in mathematics, as they are the points where two or more lines, curves, or surfaces meet.

This is because the angle formed by two parallel lines is always equal. Since A and L run parallel to each other, the angle formed by Boulevard N and Street L south of their intersection is equal to the angle formed by Boulevard N and Street L north of their intersection. Therefore, the angle that Boulevard N makes with Street L north of their intersection is also 75°.

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The amount of energy required to escape from the surface are:

To calculate the energy required to escape from the surface of relative to that required to escape from the surface of Earth, we can use the formula for escape velocity (Ve) which is:

Where G is the gravitational constant, M is the mass of the celestial body and R is its radius.

First, we need to calculate the escape velocity of Venus (VeV) and Earth (VeE) using the formula above:

And the ratio of VeV/VeE = √(M_V/R_V) / √(M_E/R_E)

Given the mass of Venus is 4.87 x 10^24 kg and radius of Venus is 6.0518 x 10^3 km, we can calculate the ratio of Venus escape velocity over Earth escape velocity:

So the energy required to escape from the surface of Venus relative to that required to escape from the surface of Earth is about 0.9. This means that Venus escape velocity is 90% of the energy required to escape Earth.

To calculate the escape velocity of Venus in m/s, we can use the same formula:

Where G is the gravitational constant (G = 6.67 x 10^-11 Nm^2/kg^2), M is the mass of Venus (M = 4.87 x 10^24 kg) and R is its radius (R = 6.0518 x 10^3 km). Hence:

Given the mass of the Sun is 1.989 x 10^30 kg and radius of the Sun is 6.963 x 10^8 meters, we can calculate the ratio of the Sun's escape velocity over Earth escape velocity:

So the energy required to escape from the surface of the Sun relative to that required to escape from the surface of Earth is about 2 x 10^5 (two hundred thousand) times the energy required to escape Earth. This means that the Sun's escape velocity is 200,000 times larger than the energy required to escape Earth.

To calculate the escape velocity of The Sun in m/s, we can use the same formula as Venus:

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Answer:

V=∆s/∆t

V=800/4

V=200

you have to change 8meters into centimeters and please let me know if I'm wrong

Answer:

B 85.8m/s

Explanation:

frequency(Hz) = 220

wavelength(m) = 0.39

formula for Speed of a wave

Speed = Wavelength x Frequency

speed = 0.39 × 220

speed = 85.8m/s

i hope this helped

Answer:  B. 85.8 m/s ✅

Explanation: The speed of a wave can be calculated using the equation:

Velocity = Frequency * Wavelength

Given that the frequency of the wave is 220 Hz and the wavelength is 0.39 m, we can plug these values into the equation:

Velocity = 220 Hz * 0.39 m

The speed of the wave is 85.8 m/s or approximately 309 km/h or 192 mi/h ✅

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The solar energy is  Non-exhaustible resource​. Hence, option (d) is correct.

A natural resource that can be replenished to replace the portion used up by usage and consumption is known as a renewable resource, also known as a flow resource. This replenishment can occur naturally through reproduction or through other recurring processes in a limited amount of time on a human time scale.

The natural environment of the Earth and the main elements of its ecosphere are renewable resources. A resource's sustainability can be determined in large part by looking at its life-cycle assessment.

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(a) The magnitude of the impulse delivered to your roof is 1.134 × 10⁻⁴ kg m/s.

(b) The magnitude of the force of the impact is 0.307 N.

Given that,

Mass of the rain drop is m = 0.014 g = 0.014 × 10⁻³ kg

Speed of the rain v = 8.1 m/s

Time of motion t = 0.37 ms = 0.37× 10⁻³ s

The following formula is used to determine the roof impulse,

J = ΔP = m× v

⇒ (0.014 × 10⁻³)× 8.1 = 1.134 × 10⁻⁴ kg m/s

Newton's second law of motion is used to compute the force of impact in the following ways,

F = m × a

F = [(0.014× 10⁻³) 8.1]/(0.37× 10⁻³) = 0.307 N

The given question is incomplete. The complete question is 'a. What is the magnitude of the impulse delivered to your roof?

b. If the raindrop comes to rest in 0. 37 ms, what is the magnitude of the

average force of the impact?'

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The coefficient of the static friction(ц) between the coin and the surface is v²/gR.

The mass of the coin = m kg

The distance of the coin from the axis of rotation = R meter

Let the speed of the rotating surface = v m/sec

We know that an object moving in a circular motion on a circular path of radius R, experiences a centrifugal force which acts outwards from the axis of rotation. This force is determined by the following formula,

F = mv²/R

This force is balance by the static friction force on the coin.

Static friction force on the coin = mg × static friction(ц)

mv²/R = mg × static friction(ц)

Static friction(ц) = v²/gR

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(a) According to the graph, neither object A nor object B has a decreasing speed during the time interval shown. This can be inferred from the graph, as the slope of the line representing the velocity of both objects is always positive (going upwards) and never negative (going downwards).

(b) According to the graph, the objects are never moving at the same speed during the time interval shown. This can be inferred from the graph, as the lines representing the velocity of the two objects never intersect, indicating that they are never at the same point on the graph at the same time.

(c) According to the graph, the magnitude of the net work done on object A is greater than that on object B for the time interval shown. This can be inferred from the graph, as the area under the line representing the velocity of object A is greater than that of object B.

(d) The net work done on an object is equal to the force applied to the object multiplied by the distance it moves in the direction of the force. From the graph, it can be seen that object A has a greater velocity than object B for the entire time interval shown, which means that it covers a greater distance in the same amount of time, and therefore the net work done on object A is greater than that on object B. This can be seen by the area under the velocity graph, the area under the graph of object A is greater than that of object B. This means that the force applied to object A is greater than that applied to object B, and that the net work done on object A is greater than that on object B.

In physics, velocity is the rate of change of an object's position with respect to time. To calculate velocity, you need to know the initial position of the object, the final position of the object, and the time it took for the object to move from the initial position to the final position. Once you have this information, you can use the following formula to calculate velocity:

Velocity = (Final position - Initial position) / Time

The unit of velocity is typically meters per second (m/s) or kilometers per hour (km/h).

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Light travels in straight lines. This explains how shadows are formed on sunny days, how images are formed in cameras, and why there are  reflection in mirrors.

When two different media come together at an interface, a wavefront might change direction so that it returns to the first medium, which is termed as reflection. The reflection of light, sound, and water waves are typical examples. According to the law of reflection, the angle at which the wave incident on the surface equals the angle at which it is reflected for specular reflection (such as at a mirror).

You cannot see something unless you have 'line of sight' and the light can travel from the object to your eye in  straight line. Light waves are one of the ways that energy from the Sun reaches the Earth.

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Although mass does not directly affect speed, as an object's speed increases, so does its mass. The term "mass" refers to a thing's total amount of energy. Thus, we draw the conclusion that while a particle's mass increases with speed, its charge stays constant.

A thing's mass is the total amount of stuff or substance that constitutes it. The measurement unit is the kilogramme, also written as kg. It's important to remember that mass is distinct from weight. Mass never changes, whereas weight fluctuates as the centre of gravity shifts. The best way to understand mass is to think about how much matter each object or body is made up of. Everything that we can see has mass.

A balance is used to determine an object's mass for the majority of commonplace objects. The balance compares the target object to a known mass object. Digital scientific balances and beam balances, like a triple beam balance, are examples of several sorts of balances.

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An equation that will let you calculate the last Q that was needed for this temperature change is Q = MCΔT.

The following formula can be used to determine how much heat is required to cause a change in temperature:

Q = MCΔT

Where:

The required heat, Q, is expressed in joules (J).

M is the substance's mass, expressed in grams (g)

C is a substance's specific heat capacity expressed in J/g°C.

T is the change in temperature expressed in degrees celsius (°C).

As a result, we can determine how much heat is required to change the temperature as follows:

Q = MCΔT

Q = 420 x 3.52 x 43.8

Q = 64753.92 J

Thus, 64753.92 J of heat are required to change the temperature.

Your question is incomplete but most pprobably your full question was

The specific heat capacity of a pure substance can be found by dividing the heat needed to change the temperature of a sample of the substance by the mass of the sample and by the change in temperature. The specific heat capacity of a certain substance has been measured to be 3.52 J/g °C. Suppose 420.0 g of the substance is heated until the temperature of the sample has changed by 43.8 °C.

Write an equation that will let you calculate the last Q that was needed for this temperature change. Your equation should contain only symbols. Be sure to define each symbol.

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