Position vectors of a particle moving in...

Position vectors of a particle moving in xy plane at time t is `vecr=a(1-cos omegat)hati+asin omegat hatj`. The path of the particle is

A

a circle of radius a and centre at (a,0)

B

a circle of radius a and centre at (0,0)

C

an ellipse

D

neither a circle nor an ellipse

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The correct Answer is:

A

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