A 100-g bullet is fired from a rifle having a barrel0.600 m long. Choose the origin to
Chapter 7, Problem 28(choose chapter or problem)
A 100-g bullet is fired from a rifle having a barrel0.600 m long. Choose the origin to be at the locationwhere the bullet begins to move. Then the force (innewtons) exerted by the expanding gas on the bullet is15 000 1 10 000x 2 25 000x2, where x is in meters.(a) Determine the work done by the gas on the bulletas the bullet travels the length of the barrel. (b) WhatIf? If the barrel is 1.00 m long, how much work is done,and (c) how does this value compare with the work calculatedin part (a)?
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