Question

1) A student ties a stone to a thread of length 1 m and starts swinging it in a circularmotion. The stone completes 20 rotations in 10 seconds. With what speed the stone ismoving? (a) pi m/sec; (b)2 pi m/sec; (c)4 pi m/sec; (d)8 pi m/sec

Answer 1

Explanation:

12.57 = 4 pi

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PLEASE MARK BRAINLIEST