# Average force opposing a proton

• Sandman327
In summary, the problem involves a proton with a mass of 1.67 x 10-27 kg and initial speed of 5.0 x 10[6] m/s passing through a .010 mm metal film and emerging with a final speed of 2.0 x 10[6] m/s. The goal is to determine the average force opposing the proton's motion through the film using Newton's second law and the formula Vf2 = Vi2 + 2(a)(x).
Sandman327

## Homework Statement

A proton with mass 1.67 X 10-27 kg that has a speed of 5.0 x10[6] m/s passes through a metal film of thickness .010 mm and emerges with a speed of 2.0 x 10[6]m/s. How large an average force opposed its motion through the film?

## Homework Equations

I'm thinking Newtons second law F=ma will tie into the problem somehow but I'm not sure what equation to use to bring the velocities into the problem.

## The Attempt at a Solution

Assuming the acceleration is uniform: Vf2 = Vi2 + 2(a)(x)

Thanks so the plan is to solve Vf2 = Vi2 + 2(a)(x) for a and then use that value of a to solve Newton's second law?

Yes.

## 1. What is the average force opposing a proton?

The average force opposing a proton is the average amount of force that acts in the opposite direction of a proton's motion. It is a measure of the resistance or opposition that a proton encounters as it moves through a medium.

## 2. How is the average force opposing a proton calculated?

The average force opposing a proton is calculated by dividing the total amount of force acting against the proton's motion by the distance traveled. This gives the average amount of force that is opposing the proton's movement over a certain distance.

## 3. What factors affect the average force opposing a proton?

The average force opposing a proton can be affected by several factors such as the properties of the medium through which the proton is moving, the speed and direction of the proton's motion, and the presence of other particles or fields in the medium.

## 4. How does the average force opposing a proton relate to its velocity?

The average force opposing a proton is directly proportional to the proton's velocity. This means that as the proton's velocity increases, the average force opposing it also increases, and vice versa.

## 5. Why is the average force opposing a proton important?

The average force opposing a proton is important because it helps us understand the behavior of protons in different media. It also plays a role in many physical phenomena, such as electricity and magnetism, which rely on the interactions between protons and other particles in a medium.

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