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A rubber ball falls from a height h and ...

A rubber ball falls from a height h and rebounds to a height h/2. A rubber ball of double the mass falling from the same height h rebounds to a height

A

h

B

h/2

C

3h/4

D

2h

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A body of mass m falls from a height h_1 and rises to a height h_2 . The magnitude of the change in momentum during the impact with the ground.

    A
    `mg (h_1 + h_2)`
    B
    `m (sqrt(2 gh_(1)) + sqrt(2 gh_(2)) )`
    C
    `m(sqrt(2 gh_(1)) - sqrt(2 gh_(2)))`
    D
    Zero

  • A body falls from height h. The v-s graph is :

    A
    B
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    D

  • A ball of mass 10 gm dropped from a height of 5 m hits the floor and rebounds to a height of 1.25 m. If the ball is in contact with the ground for 0.1s, the force exerted by the ground on the ball is (g = 10 m/ s^(2) )

    A
    0.5 N
    B
    1.5 N
    C
    0.15 N
    D
    2.5 N

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