You may have seen in a circus a mototcyclist driving in vertical loops inside a  'death well' (a hollow spherical chamber with holes, so the spectators can watch from outside).Explain clearlywhy the mototrcyclist does not drop down when he is at the uppermost point, with no support from below. What is the minimum speed required at the uppermost position to perform a vertical loop if the radius of the chamber is . ?

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The motor cyclist drop down when he is at the upper most point if antifungal is greater or equal –







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