9th Class Science Work and energy Question Bank Work Power and Energy Formative Subjective Problems

  • question_answer
    If the momentum of a body is numerically equal to its kinetic energy, then what is the velocity of the body?

    Answer:

    \[KE=P=x\] \[\frac{1}{2}m{{v}^{2}}=m{{v}^{1}}\] \[\Rightarrow V=2m/s\]


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