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In fig a stuntman drives a car (without ...

In fig a stuntman drives a car (without negative lift) over the top of a hill, the cross section of a hill, the cross section of which can be approximated by a circle of radius R=250 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?

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The correct Answer is:
50 m/s
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