A simple pendulum is made from a 0.60 m long string and a small ball attached to

Question

A simple pendulum is made from a 0.60 m long string and a small ball attached to itsfree end.
The ball is pulled to one side through a small angle and thenreleased from rest. After the ball is released,
how much time elapses before it attains its greatest speed?
1 s

Section 10.4 ThePendulum A simple pendulum is made from a 0.60 m long string and a small ball attached to itsfree end.
The ball is pulled to one side through a small angle and thenreleased from rest. After the ball is released,
how much time elapses before it attains its greatest speed?
1 s

Section 10.4 ThePendulum

Explanation / Answer

   Timeperiod   T   =   2(L/g)    L   =   Lengthofstring   =   0.60   m    T   =   2 *3.14 * (0.60 /9.8)   =   1.554   s    The time pendulum takes from zero velocity (extreme position) to maximum velocity (mean position) is (1/4)times the time period.    Hence   t   =   T/4   =   1.554/4   =   0.3885   s

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