# Physics

posted by Vishal

Calculate the mass of the moon if the free fall acceleration near its surface is known as 1.62 meter per second square and radius of the moon is 1738km.

1. Damon

F = m g = G m M/R^2
so
g = G M/R^2

here G = 6.677 * 10^-11
R = 1.738*10^6
g is given = 1.62
solve for M

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