A car is moving with speed 20 ms ^(-1) o...

A car is moving with speed `20 ms ^(-1)` on a circular path of radius 100 m. Its speed is increasing at a rate of `3 ms^(-2)` . The magnitude of the acceleration of the car at that moment is

`1 m//s^2`

`3 m//s^2`

`4 m//s^2`

`5 m//s^2`

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