Question

a stone is tied to 1.2m thread and is made to move along a circular path if it takes 2 minutes to complete 1 revolution What is its speed

Answer 1

Time = 2 minutes
            = 2* 60 Seconds
            = 120 s
Distance = 1.2 m

Speed = Distance/Time
               = 1.2 / 120
               = 0.01 m/s
                        or
               = (0.01 * 100) cm / s
               = 1 cm/s

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