A person wants to drive on the vertical surface of a large cylindrical wooden 'well' commonly known as 'death well' in a circus. The radius of the well is $$2$$ meter, and the coefficient of friction between the tyres of the motorcycle and the wall of the well is $$0.2$$, the minimum speed the motorcyclist must have in order to prevent slipping should be

Question

Infinity Learn · Accepted Answer

μN $$=$$ mgμ$$mv2r$$ $$=$$ mg   ⇒  v $$=$$ grμ                                  $$=$$ $$10$$×$$20.2$$ $$=$$ $$10$$ $$m/s$$

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