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The position vector of a particle isvecr...

The position vector of a particle is`vecr = (a cos omega t)hati + (a sin omegat)hatj`. the velocity of the particle is

A

directed towards the origin

B

direction away from the origin

C

parallel to the position vector

D

perpendicular to the position vector

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The correct Answer is:
D
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AAKASH SERIES-MOTION IN A PLANE -Exercise -I
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  4. Centripetal acceleration is

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  7. Suppose a disc is rotating counter clockwise in the plane of the paper...

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  9. A body is in pure rotation. The linear speed v of the particle, the di...

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  10. A particle revolves round a circular path. The acceleration of the par...

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  11. The position vector of a particle isvecr = (a cos omega t)hati + (a si...

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  13. Two particles having mass M and m are moving in a circular path having...

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  14. A particle moves so that position vector s given by vec(r) = cos omega...

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  15. A particle moves along a horizontal circle witrr constant speed. If 'a...

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  16. Statement -A : The net acceleration of a particle in circular motion i...

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  17. Statement -A : The acceleration vector of a particle in uniform circul...

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  18. Identify the increasing order of the angular velocities of the followi...

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  19. For a particle performing uniform circular motion, choose the correct ...

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  20. (A) : If the speed of a body is constant, the body cannot have a path ...

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