Question
Fri February 08, 2013 By: Nilesh
 

How long after the beginning of motion is the displacement of a harmonically oscillating particle equal to one half its amplitude if the period is 24 sec and particle starts from rest.Give full description with answer.

Expert Reply
Fri February 08, 2013
time peroid: 24 s thus frequency: 1/T = 1/24 Hz = w   if we take the amplitude to be A and the equation of motion to be: x = A sin(wt)   thus at x = A/2  we solve the above equation to find t
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