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Q. A 93 arrow is fired from a bow whose string exerts an average force of 115 on the arrow over a distance of 75 . What is the speed of the arrow as it leaves the bow?

Q. The barrel of a rifle has a length of 0.898 m. A bullet leaves the muzzle of a rifle with a speed of 616 m/s. What is the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have constant acceleration, but constant acceleration is to be assumed for this problem.

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