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## Homework Statement

[/B]A 10g bullet accelerates from rest to 500m/s in a gun barrel of length 10cm. Find the accelerating force (assuming it is constant).## Homework Equations

F=ma, v^2=vo^2+2a(x-xo)?

## The Attempt at a Solution

I tried using F=ma, but it does not equal the answer in the back of the book.