question_answer

A particle starts with S.H.M. from the mean position as shown in the Fig. below. Its amplitude is A and its time period is T. At one time, its speed is half that of the maximum speed. What is this displacement?

A)  \[\frac{\sqrt{2A}}{3}\] 

B)         \[\frac{\sqrt{3A}}{2}\]

C)  \[\frac{2A}{\sqrt{3}}\]                 

D)         \[\frac{3A}{\sqrt{2}}\]