1.

A particle is executing SHM according to the equation\[x=A\cos \omega t\]. Average speed of the particle during the interval\[0\le t\le \frac{\pi }{6\omega }\]

A. \[\frac{\sqrt{3}A\omega }{2}\]  
B. \[\frac{\sqrt{3}A\omega }{4}\]
C. \[\frac{3A\omega }{\pi }\]         
D. \[\frac{3A\omega }{\pi }(2-\sqrt{3})\]
Answer» E.


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