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If the mass of a body is halved and its ...

If the mass of a body is halved and its velocity doubled, its momentum will not change. Explain.

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Knowledge Check

  • If m is the mass and E the K.E of a body then its linear momenta is

    A
    `msqrtE`
    B
    `2sqrt(mE)`
    C
    `sqrtm.E`
    D
    `sqrt(2mE)`

  • The momentum of a body is doubled. Its K.E will

    A
    be doubled
    B
    be halved
    C
    increase four times
    D
    decrease four times

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