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If the momentum of a body is made thre...

If the momentum of a body is made three times , how will the kinetic energy will change ?

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To solve the problem of how the kinetic energy changes when the momentum of a body is made three times, we can follow these steps: ### Step 1: Understand the relationship between momentum and kinetic energy. The kinetic energy (KE) of a body is given by the formula: \[ KE = \frac{p^2}{2m} \] where \( p \) is the momentum and \( m \) is the mass of the body. ...
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Knowledge Check

  • If the momentum of a body is increased n times, its kinetic energy increases

    A
    n times
    B
    2n times
    C
    `sqrt(n)` times
    D
    `n^(2)` times
  • If the momentum of a body decreases by 30% , then kinetic energy decreases by

    A
    `60%`
    B
    `51%`
    C
    `69%`
    D
    `90%`
  • If the momentum of a body increases by 20% , the percentage increase in its kinetic energy is equal to

    A
    44
    B
    88
    C
    66
    D
    20
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