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If a(r ) and a(t) respresent radial and ...

If `a_(r )` and `a_(t)` respresent radial and tangential acceleration, the motion of a particle will be circualr is

A

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

B

`a_(r) = 0` but `a_(t) != 0`

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C, D

In uniform circular motion, `a_(t) = 0`, but in non uniform circular motion, `a_(t) != 0`. In both cases, `a_(r) != 0`.
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