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A particle moves along a straight line a...

A particle moves along a straight line and its velocity at a distance 'x' from the origin is `ksqrt(a^(2) - x^(2))`. Then accelertion of the particle is

A

k

B

`-k^(2)`

C

kx

D

`-k^(2)x`

Text Solution

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The correct Answer is:
D
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