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18 April, 00:02

A 70 kilogram mountaineer is standing on the summit of Mt. Everest. The distance between the mountaineer and the center of Earth is 6.39 * 106 meters. What is the magnitude of the force of gravity acting on the mountaineer? (The value of G is 6.673 * 10-11 newton meter2/kilogram2. The mass of Earth is 5.98 * 1024 kilograms.)

90.50 newtons

111.5 newtons

684.1 newtons

4041.7 newtons

+5
Answers (1)
  1. 18 April, 00:23
    0
    F = GMm/r²

    F = (6.673*10^-11) (5.98*10^24) (70) / (6.39*10^ ...

    F = 684 N (3sf)
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