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A particle moves in a circle of radius 3...

A particle moves in a circle of radius `30cm`. Its linear speed is given by `v=2t`, where `t` in second and `v` in `m//s`. Find out its radial and tangential acceleration at `t=3s`.

A

`220 ms ^(-2) , 50 ms^(-2)`

B

`100 ms ^(-2) , 5 ms^(-2)`

C

`120 ms^(-2) , 5 ms^(-2)`

D

`110 m s^(-2) , 10 ms^(-2)`

Text Solution

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The correct Answer is:
C
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