Questions
Figure shows a rough track, a portion of which is in the form of a cylinder of radius R. With what minimum velocity a sphere of radius r be set rolling on the horizontal part so that it completely goes around the circle on the cylindrical part?
detailed solution
Correct option is A
KE of sphere = 710mv2 710mv'2 +mg2(R-r) = 710mv2but vmin' = g(R-r)put the value of v' and solve toget v = 277g(R-r)Talk to our academic expert!
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A solid cylinder of mass 2 kg and radius 50 cm rolls up an inclined plane of angle inclination 300. The centre of mass of cylinder has speed of 4 ms-1. The distance travelled by the cylinder on the inclined surface will be
(Take, g = 10 ms-2
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