. A stationary mass explodes into two parts of mass 4 kg and 40 kg . If the K.E of larger mass is 100 J . The K.E of small mass will be​

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. A stationary mass explodes into two parts of mass 4 kg and 40 kg . If the K.E of larger mass is 100 J . The K.E of small mass will be​

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Gerda 1 year 2021-07-29T00:24:53+00:00 1 Answers 170 views 0

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    2021-07-29T00:26:47+00:00

    Answer:

    10J

    Explanation:

    KE = (1/2)mv²

    100J = (.5)(40kg)v²

    v²=(100J)/(20kg)

    v²= 5

    KE = 5(.5)(4kg)

    KE = 10J

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