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High-speed stroboscopic photographs show that the head of a 250. g golf club travels at 60.0 m/s just before it strikes a 47.0 g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 48.0 m/s.
1) What is the velocity of the golf ball just after the impact by the club?
2) Is kinetic energy conserved during the collision? Justify your answer.
What is an angular acceleration
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A block sits on a plate that in turn rests on the surface of a fluid, what is the pressure P in the fluid just below the plate
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