How Much Kinetic Energy Does a Proton Acquire Compared to an Electron?

In summary, both the electron and the proton would acquire 6.3keV of kinetic energy when moving from point A to point B, despite having different masses and velocities. This is due to the fact that they have the same charge and experience the same force over the same distance.
  • #1
leolaw
85
1
An electron starting from rest acquires 6.3keV of KE in moving from point A to point B. How much KE would a proton acquire, starting from rest at B and moving to point A?

The answer is 6.3keV. I don't understand why they have the same kinetic energy. Is it becasue proton has more mass and less velocity? :bugeye:
 
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  • #2
leolaw said:
An electron starting from rest acquires 6.3keV of KE in moving from point A to point B. How much KE would a proton acquire, starting from rest at B and moving to point A?

The answer is 6.3keV. I don't understand why they have the same kinetic energy. Is it becasue proton has more mass and less velocity? :bugeye:
I will assume from the question that the electron acquires its energy by being placed in an electric field.

The reason they have the same energy is because they have the same charge. They experience the same force over the same distance so they acquire the same energy.

AM
 
  • #3
Hey,mister,why do you double post...?

Daniel.
 

FAQ: How Much Kinetic Energy Does a Proton Acquire Compared to an Electron?

What is the Proton Kinetic Energy problem?

The Proton Kinetic Energy problem is a physics problem that involves calculating the amount of energy a proton has when it is moving at a certain speed. This problem is important in understanding the behavior of particles in different environments, such as in particle accelerators or in space.

How is the Proton Kinetic Energy calculated?

The Proton Kinetic Energy can be calculated using the formula KE = (1/2)mv^2, where KE is the kinetic energy, m is the mass of the proton, and v is the velocity of the proton. The mass of a proton is approximately 1.67 x 10^-27 kilograms and the velocity is measured in meters per second.

What units is Proton Kinetic Energy measured in?

The Proton Kinetic Energy is typically measured in joules (J). However, it can also be expressed in electron volts (eV) in some cases, especially in particle physics.

How does the Proton Kinetic Energy problem relate to other physics concepts?

The Proton Kinetic Energy problem is closely related to the concepts of work, energy, and momentum. It also involves principles of classical mechanics, such as Newton's laws of motion and the conservation of energy.

What real-life applications does the Proton Kinetic Energy problem have?

The Proton Kinetic Energy problem has many real-life applications, including in medical imaging technologies such as MRI machines, in nuclear power plants, and in space exploration. It is also important in understanding the behavior of particles in particle accelerators, which are used in scientific research and in medical treatments such as radiation therapy.

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