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The Moon (mass=7.35*10^22 kg) is 3.84*10^8 m from the Earth (mass=5.98*10^24 kg). How much gravitational force do they exert on each other? 

Fill in using Scientific Notation: 

Answer = _____ x 10^ _____

 

Fg=G(m1m2/r^2)

 Nov 28, 2016
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F=G m1 x m2 /  r^2      G= gravitational constant = 6.674 x 10^(-11)   N (m/kg)^2

 

6.674 x 10^(-11)  x 7.35 x 10^(22) x 5.98 x 10^(24)  /  ( 3.84 x 10^8)^2  =

293.342322 x 10^(35) /  14.7456 x 10^(16)  =

19.8935494 x 10^(19) N

1.98935 x 10^(20)  N

 Nov 28, 2016

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