A simple pendulum is made from a 0.625 m-long string and a small ball attached to...
A simple pendulum is made from a 0.625 m-long string and a small ball attached to its free end. The ball is pulled to one side through a small angle and then released from rest. After the ball is released, how much time elapses before it attains its greatest speed?
Homework Answers
The ball attains the greatest speed after it eaches the mean position
time period T = 2*pi*sqrt(L/g)
time taken to reach ment position from extreme positon t = T/4
t = (pi/2)*sqrt(L/g)
t = (pi/2)*sqrt(0.625/9.81)
t = 0.396 s
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