A women weighing 600 N is sitting in a c...

A women weighing 600 N is sitting in a car which is travelling at a constant speed on a straight road. The car suddenly goes over a humb in the road (humb may be regarded as an arc of a circle of radius 12.1m) . If the women experiences weightlessness, calculate the speed of the car. [Take g=10`m//s^2`]

11`m//s`

8`m//s`

15`m//s`

5`m//s`

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