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A vehicle is moving at a speed of 30 m/s...

A vehicle is moving at a speed of 30 m/s on a circular road of radius 450 m. Its speed is increasing at a rate of `2 m/s^2` . The acceleration of particle at this instant is

A

A. `2 m/s^2`

B

B. Zero

C

C. `2.8 m/s^2`

D

D. `4 m/s^2`

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