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A particle moves so that its position ve...

A particle moves so that its position vector is given by `vec r = cos omega t hat x + sin omega t hat y`, where `omega` is a constant which of the following is true ?

A

Velocity and acceleration both are perpendicular to `vecr`

B

Velocity and acceleration both are parallel to `vecr`

C

Velocity is perpendicular to `vecr` and acceleration is directed towards the origin

D

Velocity is perpendicular to `vecr` and acceleration is directed away from the origin

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