Question: Circular Motion A child is playing with a toy comprised of a massless 85-cm string attached to a small 0.04-kg ball. The child swings the

Circular Motion A child is playing with a toy comprised of a massless 85-cm string attached to a small 0.04-kg ball. The child swings the hall in a vertical circle so that the period of the hall's rotation is 1.3 seconds. 76) What is the acceleration of the ball? 19. 9 m/s2

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