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Consider a particle moving in the x-y pl...

Consider a particle moving in the `x-y` plane according to `r=r (cos omegat hat(i)+sin omega t hat(j))`, where `r` and `omega` are constants. Find the trajectory, the velocity, and the acceleration.

A

Perpendicular to the velocity

B

Parallel to the velocity

C

Directed away from the origin

D

Perpendicular to the position vector

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A
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