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A block of mass 1 kg is moving towards a...

A block of mass 1 kg is moving towards a movablen vedge of amss 2 kg as shown in figure. All surfaces are smooth. When the block leaves the wedge from top, its velocity is making an angle `theta =30^(@)` with horizontal.

The value of `v_(0)` in m/s is

A

4

B

7

C

10

D

9

Text Solution

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The correct Answer is:
B
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Knowledge Check

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

    A
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    B
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    C
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    D
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    A
    The speed of block `A` when it falls `50cm` is `2sqrt(2)m//s`
    B
    The speed of block `B` when `A` falls `50cm` is `4m//s`
    C
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