Question

A student ties a stone to a thread of length 4 m and starts swinging it in a circular motion. The stone
completes 30 rotations in 10 seconds. Therefore the stone is moving at a speed of_________:

Answer 1

Answer:

speed of the stone=3m/s

Explanation:

time taken by the stone to complete 30 rotation =10s, that means 30 is the distance covered by the stone in 10 sec. so speed= distance/time taken

30/10 = 3 .