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When you lift a box from the floor and p...

When you lift a box from the floor and put it one an almirah the ptotential energy of the box increases, but thre is no change in its kinetic energy. Is it a violation of consevation of energy?

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When you lift a box from the floor and put it on an almirah the potential energy of the box increases bu there is no change in its kinetic energy. Is it violation of conservation of energy ? Explain. (AS_(7))

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Knowledge Check

  • If momentum of a body increases by 100% then what will be percentage increase in its kinetic energy ?

    A
    `200%`
    B
    `100%`
    C
    `300%`
    D
    `400%`
  • When a proton is accelerated through 1V, then its kinetic energy will be

    A
    1 eV
    B
    13.6 eV
    C
    1840 eV
    D
    0.54 eV
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