MCQ
A light and a heavy body have equal momenta. Which one has greater K.E
  • The light body
  • B
    The heavy body
  • C
    The K.E. are equal
  • D
    Data is incomplete

Answer

Correct option: A.
The light body
a
(a)$E = \frac{{{P^2}}}{{2m}}$ if $ P = $ constant then$E \propto \frac{1}{m}$

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