Question

The acceleration due to gravity at the moon’s surface is 1.67 m/s2

,If the radius of
the moon is 1.74 x 10 6m, calculate the mass of the moon. Use the known value
of G.

Answer 1

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Answer:

the mass of moon is 7.58 ×10^22kg

Explanation:

gravitational constant G = 6.67×10^-11nm^2/kg^2

acceleration due to gravity g = 1.67 m/s^2

radius of the Moon R = 1.74×10^6m

mass of the moon M = gR^2/G

= 1.67×(1.7×10^6)^2/6.67×10^-11

=7.58×10^22kg

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