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Two blocks each of mass M are resting on...

Two blocks each of mass M are resting on a frictionless inclined plane as shown in fig then:

A

The block A moves down the plane

B

The block B moves down the plane.

C

Both the blocks remain at rest

D

Both the blocks move down the plane.

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • A small block of mass M moves on a frictionless surface of an inclined plane, as shown in the figure. The angle of the incline suddenly changes from 60^(@) to 30^(@) at point B . The block is many at rest at A . Assume that collisions between the block id the incline are totally inelastic. The speed of the block at point B immediately after it strikes the second incline is

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    `sqrt60` m/s
    B
    `sqrt45` m/s
    C
    `sqrt30` m/s
    D
    `sqrt15` m/s

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