Home
Class 12
PHYSICS
A ball of mass 'm' is pushed with a velo...

A ball of mass 'm' is pushed with a velocity u towards a movable wedge of mass 3m which is at rest. Height of the wedge is 60m. Assume all surfaces to be smooth. The minimum value of 'u' for which the block will reach the top of the wedge is ( There is no loss of energy when the ball tries to rise on the wedge ) ( take g `= 10 m//s^(2)` )

A

`40 m//`sec

B

`80 m//`sec

C

`20m //`sec

D

`50m//`sec

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A block of mass m is pushed towards a movable wedge of mass nm and height h , with a velocity u . All surfaces are smooth. The minimum value of u for which the block will reach the top of the wedge is

The minimum value of acceleration of wedge for which the block start sliding on the wedge, is:

A ball of mass m is released from A inside a smooth wedge of mass m as shown in figure. What is the speed of the wedge when the ball reaches point B?

A small ball of mass m is projected with a minimum horizontal velocity v_(0) on a smooth wedge of mass M so that it will reach the highest point of the wedge. Find the value of v_(0)

A block of mass 1 kg is released from the top of a wedge of mass 2 kg. Height of wedge is 10 meter and all the surfaces are frictionless. Then

A particle of mass m is placed at rest on the top of a smooth wedge of mass M, which in turn is placed at rest on a smooth horizontal surface as shown in figure. Then the distance moved by the wedge as the particle reaches the foot of the wedge is :

A block of mass m is placed on a smooth wedge of mass M, as shown in the figure . Just after placiing block m over wedge M.

A block of mass m is placed at rest on a smooth wedge of mass M placed at rest on a smooth horizontal surface. As the system is released

In fig. mass m is being pulled on the incline of a wedge of mass M. All the surfaces are smooth. Find the acceleration of the wedge.

A block of mass m is released from the top of a wedge of mass M as shown in figure. Find the displacement of wedges on the horizontal ground when the block reaches the bottom of the wedges. Neglect friction everywhere.