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A ball of mass 0.2kg falls from a height of 45m. On striking the ground it rebounds in 0.1s with two-thirds of the velocity with which it struck the ground. Calculate i the momentum change on hitting the ground, ii the forcn on the ball due to the impact.

  • Science -

    Momentum is 10 Ns.

  • Science -

    1.10Ns
    2.100N

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