Tuesday
September 30, 2014

Homework Help: Physics

Posted by Anonymous on Sunday, October 24, 2010 at 9:44pm.

A. Use the relation 2
m
m
m
GM
g
R
É≠ to find the acceleration due to gravity on the surface
of the Moon. You can use the following data:
Mass of the Moon m M = 7.35 °— 1022 kg. Radius of the Moon m R = 1.74 °— 106 m.
B. How does this value compare with the acceleration due to gravity g É≠ 9.8m s2 on
the Earth°¶s surface?
C. The center-to-center distance between the Earth and the Moon is 3.85 °— 108 m.
Calculate the orbital speed of the Moon as it revolves round the Earth.
Also estimate the period of Moon°¶s orbit from the given data. Express your
answer in days for this part.
(Mass of the Earth E M = 5.97 °— 1024 kg.)

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