A dart with a mass of 0.5kg is thrown at 15m/s and sticks into a 1kg apple hanging on a string. What is the total momentum of the obje

Question

A dart with a mass of 0.5kg is thrown at 15m/s and sticks into a 1kg apple hanging
on a string. What is the total momentum of the objects before the collision?

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Latifah 2 months 2021-07-23T12:14:06+00:00 1 Answers 6 views 0

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    2021-07-23T12:15:08+00:00

    Answer:

    Before the collision:

    m v1 = .5 kg * 15 m/s = 7.5 kg-m/s

    Incidentally, after the collision

    (M + m) v2 = 7.5

    v2 = 7.5 / (1 + .5) = 5 m/s

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