- #1

DeathCrawls

- 13

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## Homework Statement

A student hold a 2kg air rifle loosely and fires a paint ball that has a mass of .001 kg. The paintball is fired at 150 m/s. What is the recoil velocity of the rifle? If the 48kg student holds the rifle more firmly, so that it rests against there body, what is the new recoil velocity?

## Homework Equations

P=mv

## The Attempt at a Solution

I have no idea, I know your supposed to make initial and final but I don't know how to work out the problem.

Can you please tell me how you did this