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A particle move so that its position vec...

A particle move so that its position vector varies with time as `vec r=A cos omega t hat i + A sin omega t hat j`. Find the
a. initial velocity of the particle,
b. angle between the position vector and velocity of the particle at any time, and
c. speed at any instant.

Text Solution

Verified by Experts

The correct Answer is:
(a)`A omegahatj;`(b)`vecv+vecr;`©`A omega`
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