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11 December, 09:11

Jake is bowling with an 8 kg bowling ball roll the ball at 7 Ms and it hits 1 stationary pain with a mass of 2kg the pain goes flying forward at 12 Ms how fast is the ball now traveling

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  1. 11 December, 09:36
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    Solution

    In this question we have given

    mass of bowling ball=8kg

    Velocity of bowling ball = 7m/s

    mass of pain=2kg

    velocity of pain=12m/s

    In this case, law of conservation of momentum will be applied. According to law of conservation of momentum,

    initial momentum of system = final momentum of the system

    Total initial momentum of the system = mass of bowling ball * Velocity of bowling ball

    =8 kg x 7 m/s

    = 56 kg m/s.

    momentum of the pain after getting hit is = mass of pain * velocity of pain

    =2kg*12m/s

    =24 kg m/s.

    So the momentum of the bowling ball after hitting the pain = 56 kg m/s - 24 kg m/s

    = 32 kg m/s

    velocity of the bowling ball after hitting the pain = momentum of the bowling ball after hitting the pain/mass of bowling ball

    =32 kg m/s / 8 kg

    = 4 m/s

    Therfore, velocity of the bowling ball after hitting the pain is 4m/s
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