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A particle is moving in x-y plane accord...

A particle is moving in x-y plane according to `vecr = b cos omegat hati +b sin omegat hatj` Where `omega` is constant. Which of the following statement(s) is/are true ?

A

`E/omega` is a constant where E is the total energy of the particle.

B

The trajectory of the particle in x-y plane is a circle.

C

In `a_x - a_y` plane, trajectory of the particle is an ellipse ( `a_x, a_y` denotes the components of acceleration)

D

`veca=omega^2vecv`

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