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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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The correct Answer is:
C
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