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A 145 g baseball with an initial velocity of 87 m/s collides with a 1 kg baseball bat moving at 23 m/s in the

 

A 145 g baseball with an initial velocity of 87 m/s collides with a 1 kg baseball bat moving at 23 m/s in the opposite direction. The batter hits the ball at high speed directly back to the pitcher, and the pitcher makes a miraculous catch. Assume the batter stops the swing during the collision, transferring all of the energy of the bat into the ball. This way, the final kinetic energy term is the ball only. The final kinetic energy term for the bat drops to 0. Use the conservation of energy equation for kinetic energy: Initial massi (velocity) 2 + Initial mass2. (velocity2) = Final mass (velocity) = I 2 2 What is the final kinetic energy (Joules) of the baseball before the pitcher catches it? Give your numerical answer to the nearest whole number (singles digit).

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