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A launcher has a 0.370 m long barrel. When fired, a projectile with a mass of...

A launcher has a 0.370 m long barrel. When fired, a projectile with a mass of 4.00 g accelerates from rest and exits the barrel at a speed of 915 m/s. What is the net force on the projectile (in N) while it is in the barrel? (Enter the magnitude. Assume a constant acceleration.)

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