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A block of mass m = 0.1 kg is released f...

A block of mass m = 0.1 kg is released from a height of 4 m on a curved smooth surface. On the horizontal surface, path AB is smooth and path BC offers coefficient of friction `mu = 0.1`. If the impact of block with the vertical wall at C be perfectely elastic, the total distance covered by the block on the horizontal surface before coming to rest will be (take `g = 10 ms^(–2)`) -

A

29 m

B

49 m

C

59 m

D

109 m

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • A block of mass m = 0.1 kg is released from a height of 4 m on a curved smooth surface. On the horizontal surface, path AB is smooth and path BC offers coefficient of friction  = 0.1. If the impact of block with the vertical wall at C be perfectely elastic, the total distance covered by the block on the horizontal surface before coming to rest will be (take g = 10 ms–2) -

    A
    29m
    B
    49m
    C
    59m
    D
    109m

  • A block of mass m = 0.1 kg is released from a height of 4m on a curved smooth surface. On the horizontal surface, path AB is smooth and path BC offers coefficient of friction mu = 01. If the impact of block with the vertical wall at C be elastic, the total distance covered by the block on the horizontal surface before coming to rest will be (take g = 10 m//s^(2) )

    A
    29 m
    B
    49 m
    C
    59 m
    D
    109 m

  • A block of mass m = 1kg is placed over a plank Q of mass placed over a smooth horizontal surface as shown in figure. Block P is given a velocity v = 2 m//s^(2) to the right. If the coefficient of friction between P and Q is mu = 0.3 Find the acceleration of Q relative to P.

    A
    `4m//s^(2)`
    B
    `3.5m//s^(2)`
    C
    `2m//s^(2)`
    D
    `10.0m//s^(2)`

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