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If a(r) and a(t) represent radial and ta...

If `a_(r)` and `a_(t)` represent radial and tangential accelerations, the motion of a particle will be uniformly circular if

A

`a_(r)=0 and a_(t)=0`

B

`a_(r)=0 and a_(t) ne0`

C

`a_(r) ne 0 and a_(t) =0`

D

`a_(r) ne 0 and a_(t) ne 0`

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The correct Answer is:
C
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