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A point moves along a circle with veloci...

A point moves along a circle with velocity v = at where a 0.5 m/sec2. Then the total acceleration of the point at the moment when it covered (1/10) th of the circle after beginning of motion -

A

`0.5 m//sec^(2)`

B

`0.6m//sec^(2)`

C

`0.7m//sec^(2)`

D

`0.8m//sec^(2)`

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The correct Answer is:
D
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