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5 December, 01:17

A baseball has a mass of 0.45 kg and is thrown with a speed of 25 m/s. What is the momentum of the baseball?

0.018 kg • meters squared per second

11 kg • meters per second

56 kg • meters per second

140 kg • meters per second

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Answers (1)
  1. 5 December, 01:41
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    The second option: 11 kg * m/s

    Explanation:

    Recall that linear momentum is defined as the product of the mass times its velocity, therefore in this case, the mass is 0.45 kg, and the speed is 25 m/s, therefore the linear momentum is:

    P = m * v = 0.45 Kg * 25 m/s = 11.25 kg * m/s

    So roundng the answer to the nearest whole number, you get 11 kg * m/s, which is the second option they give you.
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