Homework Help: Physics

Posted by sam on Friday, September 14, 2012 at 10:59pm.

The barrel of a rifle has a length of 0.916m. A bullet leaves the muzzle of a rifle with a speed of 621m/s.
What is the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have a constant acceleration, but constant acceleration is to be assumed for this problem.
Answer in unites of m/s^2.

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