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19 August, 22:06

8. A person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s. What is the walker's momentum?

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  1. 19 August, 22:12
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    Answer: The correct answer is 75 kg m/s.

    Explanation:

    The expression of the momentum in terms of velocity and mass is as follows;

    p=mv

    Here, m is the mass of the object and v is the velocity.

    It is given in the problem that a person with a mass of 15 kg is walking on a flat surface at a velocity of 5 m/s.

    Calculate the walker's momentum.

    Put m = 15 kg and v = 5 m/s in the above expression.

    p = (15) (5)

    p = 75 kg m/s

    Therefore, the momentum of the speedboat is 75 kg m/s.
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