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Juan and Julia know they have a gravitational attraction to each other. If Juan's mass is 70 kg and Julia's mass is 50. kg, Their force of attraction is 5.8 x 10^-11 N. Calculate how far apart they are?
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14 votes
14 votes
Juan and Julia know they have a gravitational attraction to each other. If Juan's

mass is 70 kg and Julia's mass is 50. kg, Their force of attraction is 5.8 x 10^-11
N. Calculate how far apart they are?

User Raheem Mohamed
by
2.7k points

1 Answer

22 votes
22 votes

F = G.m₁m₂/r²

r² = G.m₁m₂/F

r² = (6.67 x 10⁻¹¹ x 70 x 50) / (5.8 x 10⁻¹¹)

r² = 4025

r = 63.44 m

User Skuami
by
3.3k points
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