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Average force from the change of momentum during a short contact

This type of question, asked 3 times: 26 Jul 2022, 1 Feb 2024, 8 Apr 2024. All 3 questions below, oldest first.

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  1. Question 1

    26 Jul 2022

    93
    A ball of mass 0.15 kg0.15\text{ }kg hits the wall with its initial speed of 12 ms−112{\text{ }ms}^{- 1} and bounces back without changing its initial speed. If the force applied by the wall on the ball during the contact is 100 N100\text{ }N. calculate the time duration of the contact of ball with the wall.

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  2. Question 2

    1 Feb 2024

    99
    A cricket player catches a ball of mass 120 g120\text{ }g moving with 25 m/s25\text{ }m/s speed. If the catching process is completed in 0.1 s0.1\text{ }s then the magnitude of force exerted by the ball on the hand of player will be (in SI unit):

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  3. Question 3

    8 Apr 2024

    17
    A player caught a cricket ball of mass 150 g150\text{ }g moving at a speed of 20 m/s20\text{ }m/s. If the catching process is completed in 0.1 s0.1\text{ }s, the magnitude of force exerted by the ball on the hand of the player is:

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