You are swinging a tin can around your head in a perfectly horizontal circle and its acceleration is 32 m/s². If its speed is 4 m/s what is the value of the radius of its circular path? A) 4 m B) 0.5 m C) 0.5 m/s² D) 2 m

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Quizplus · Accepted Answer

The centripetal acceleration formula is a = v²/r. Rearranging for r gives r = v²/a. Substituting v = 4 m/s and a = 32 m/s² gives r = (4 m/s)² / 32 m/s² = 0.5 m.

You Are Swinging a Tin Can Around Your Head in a Perfectly