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Question

A man can jump to a height of 1.5 m on a planet  Α what is the height ne may be able to jump on another planet whose density and radius are respectively one- quater and one- third that of planet A

  1. 1.5 m
  2. 15 m
  3. 18 m
  4. 28 m

The correct answer is: 18 m

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