Question

A large banana has a weight of 2 N. The banana is propelled horizontally by a force of FA = (50 N/m)x applied from x = 0 m to x = 0.5 m. The banana then smushes against and sticks to a block of mass 4.5 kg that was originally at rest on a frictionless horizontal surface.

(a) (5 points) What is the banana’s speed at the instant the force stops acting?

(b) (4 points) What fraction of the original kinetic energy of the block-and-banana system is lost to inelastic forces during the collision?

Answer 1

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