A car is travelling at the top or a semi-circular hill, and at the top of the hill, it is moving exactly at 24 m/s which is exactly the speed needed to just leave the road/hill. If the same car is travelling over a hill which is one quarter as tall (radius is one quarter), what is the maximum speed, in m/s, it can travel before it just starts to leave the hill?

 

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Consider the first case Suppose radius of the semicirc... View the full answer