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You throw a ball at 23.4 m/s from a cliff (at some unknown angle). When you...

You throw a ball at 23.4 m/s from a cliff (at some unknown angle). When you release the ball, it’s 12.0 m above the ground below. Ignoring air resistance, what is the ball’s speed when it hits the ground? Solve using Energy concepts, not kinematics or Newton’s laws.

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