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Q. What is the tangential acceleration of a bug on the rim of a 16 in diameter disk if the disk accelerates uniformly from rest to an angular speed of 78 revolutions per minute in 3.4 s?

Q. A 0.570 kg ball is dropped from rest at a point 1.50 m above the floor. The ball rebounds straight upward to a height of 0.800 m. What are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the flow.

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