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A car is moving on circular path of radi...

A car is moving on circular path of radius `100m` such that its speed is increasing at the rate of `5m//s^(2)`. At `t=0` it starts from rest. What is the radial acceleration of car at the instant it makes one complete round trip ?

A

`20pi ms^(-2)`

B

`10pi ms^(-2)`

C

`5 ms^(-2)`

D

None of these

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A
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