Track `OABCD` (as shown is figure) is smooth and fixed in vertical plane. What minimum speed has to be given to a particle lying at point `A`, so that it can reach point `C`?

Track OABCD (as shown in figure ) is smooth. What minimum speed has to be given to a particle lying at point A, so that it can reach point C? (take g=10 m//s^2 )

Track OABCD (as shown in figure ) is smooth. What minimum speed has to be given to a particle lying at point A, so that it can reach point C? (take g=10 m//s^2 )

A particle is attached with a string of length l which is fixed at point O on an inclined plane what minimum velocity should be given to the particle along the incline so that it may complete a circle on inclined plane ( plane is smooth and initially particle was resting on the inclined plane . )

A particle is attached with a string of length l which is fixed at point O on an inclined plane what minimum velocity should be given to the particle along the incline so that it may complete a circle on inclined plane ( plane is smooth and initially particle was resting on the inclined plane . )

A man wants to reach point B on the opposite bank of a river flowing at a speed as shown in figure. What minimum speed relative to water should the man have so that he can reach point B? In which direction should he swim?

A man wants to reach point B on the opposite bank of a river flowing at a speed as shown in figure. What minimum speed relative to water should the man have so that he can reach point B? In which direction should he swim?

What must be the minimum speed of the body at the lowest point ,so that it may complete the vertical circle?

The ride is circus rides along a circular track in a vertical plane. The minimum velocity at the highest point of the track will be