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

  • question_answer
    Two bodies A and B of equal mass are kept at heights of h and 2h respectively. What will be the ratio of their potential energies?

    Answer:

    \[\frac{P{{E}_{1}}}{P{{E}_{2}}}=\frac{{{h}_{1}}}{{{h}_{2}}}\]          (\[\because \,\,g\] and m are constant) \[\therefore \frac{P{{E}_{1}}}{P{{E}_{2}}}=\frac{1}{2}\]


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