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An object of mass 80 kg moving with velo...

An object of mass 80 kg moving with velocity `2ms^(-1)` hit by collides with another object of mass 20 kg moving with velocity `4 ms ^(-1)` Find the loss of energy assuming a perfectly, inelastic collision

A

`12J`

B

`24J`

C

`30J`

D

`32J`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • An object of mass 40 kg and having velocity 4 ms^(-1) collides with another object of mass 60 kg. having velocity 2 m s^(-1) The loss of kinetic energy when the collision is perfectly ineleastic is

    A
    392 J
    B
    440 j
    C
    48 J
    D
    110 J

  • An object of mass 40kg and having velocity 4 m//s collides with another object of mass 60 kg having velocity 2 m//s . The loss of energy when the collision is perfectly inelastic is

    A
    `392J`
    B
    `440J`
    C
    `48J`
    D
    `110J`

  • An object of mass 80 kg is moving with a velocity of 60 ms^(-1) . Then the momentum of the object is ______.

    A
    `4800 kg ms^(2)`
    B
    `4800 kg ms^(-1)`
    C
    `4800 kgms^(-1)`
    D
    `4800 kg ms^(-2)`

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