Question

. A particle is projected with velocity u horizontally from the top of a smooth sphere of radius a so that it slides down the outside of the sphere. If the particle leaves the sphere when it has fallen a the value of u is a height 4 Vag (a) Vag (b) ag 4 Vag 2 (d) (C) ag 3 8.





A particle of mass m describes a circle of radiusr. The centripetal acceleration of the particle is What will be the momentum of the particle ? 2 4. m (b) 2 m (a) 2 ſr r m (d) None of these (c) 4 9. A 10 kg ball attached at the end of a rigid massless rod of length 1 m rotates at constant speed in in the figure. The force exerted​

Answer 1

Answer:

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