Question: A question about how to solve a work-energy problem for physics: A tennis machine launches balls using a compressed spring. The spring constant is 480

A question about how to solve a work-energy problem for physics: A tennis machine launches balls using a compressed spring. The spring constant is 480 N/m and the spring is initially compressed by 50 cm. A 57 g tennis ball leaves the machine horizontally at a height of 1.3 m. Calculate the horizontal distance the ball will travel before hitting the ground.

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