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Uranus (m=8.68*1.^25 kg) and its moon Miranda (m=6.59*10^19 kg) exert a gravitational force of 2.28*10^19 N on each other. How far apart are they? 

 

Fg=G(m1m2/r^2)

G=6.67*10^-11

 

Put answer into scientific notation (Ex: _____ x 10^ _____)

 Nov 29, 2016
 #2
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You have everything you need to plug into the equation and solve for 'r' ..... {nl} 2.28x 10^19  =  6.67 x 10^(-11)   x    8.68 x 10^25    x 6.59 x 10^19    /   r^2

r^2 = 167.3385 x 10^14

r = 12.93593 x 10^7  m

r = 1.293593 x 10^8  m

r = 1.293593 x 10^5  KILOmeters

 Nov 29, 2016
edited by ElectricPavlov  Nov 29, 2016
edited by ElectricPavlov  Nov 29, 2016
 #3
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I see that but the problem is that it isn't right when I plug it into my class.

 Nov 29, 2016

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