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Question: A ball is thrown straight up with a speed of 21.5 m/s. A second ball is thrown up 1.52 seconds later and hits the first ball just the first ball reaches its maximum height.
Part A: What was the magnitude of the velocity of the second ball?
I need help to find the magnitude of the velocity of the second ball.
An electric motor rotating a workshop grinding wheel at a rate of 93 rev/min is switched off. Assume the wheel has the constant negative angular acceleration of magnitude 2rad/s2.
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