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The speed of a particle moving in a circ...

The speed of a particle moving in a circle of radius r = 2m varies with time t as `v=t^(2)`, where t is in second and v in `ms^(-1)`. Find the radial, tangential and net acceleration at t = 2s.

A

`sqrt(80) ms ^(-2)`

B

`sqrt(90) ms ^(-2)`

C

`sqrt(120) ms ^(-2)`

D

`sqrt(70) ms ^(-2)`

Text Solution

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The correct Answer is:
A
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