physics

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A 70 kg man weighs 686 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 14% of his body weight?

  • physics -

    someone pleaaaase answer my question! i have no clue how to do it!

  • physics -

    its quite difficult.

  • physics -

    i also hvn't any idea how to do it.

  • physics -

    Is your answer 100 root 28672/6

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