051121

Question : A small sphere of mass 1 Kg is rolling without slipping with linear speed v=√(200/7) m/s. At point B, it starts rising up a sufficiently rough incline. It leaves the inclined plane at point C.

i) Find the linear speed at point C.

a) √(100/7) m/s

b) √(50/7) m/s

c) √(100/35) m/s

d) √(200/35) m/s

ii) Find ratio of rotational and translational kinetic energy of the sphere when it strikes the ground after leaving from point C.

a) 2/5

b) 2/3

c) 1/6

d) 1/2

Doubt by Muskan

Ans : i) a ii) c

Detailed Solution : Coming Soon