- #1

- 33

- 0

_{1}*m

_{2})/(r

^{2})

We know that

G = 6.6673x10

^{-11}N*m

^{2}/kg

^{2}

m1(earth) = 6x10

^{24}kg

m2(moon) = 7.4x10

^{22}kg

the Earth and moon are an average of 3.9x10

^{8}m apart

would r

^{2}be [3.9x10

^{8}]

^{2}or [3.9x10

^{8}/ 2]

^{2}?

-Thanks!