A building is being knocked down with a wrecking ball,
Chapter 14, Problem 29P(choose chapter or problem)
Problem 29P
A building is being knocked down with a wrecking ball, which is a big metal sphere that swings on a 10-m-long cable. You are (unwisely!) standing directly beneath the point from which the wrecking ball is hung when you notice that the ball has just been released and is swinging directly toward you. How much time do you have to move out of the way?
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