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Two 639-kg masses are separated by a distance of 0.15 m.  Using Newton's Law of Universal Gravitation,...

Two 639-kg masses are separated by a distance of 0.15 m.  Using Newton's Law of Universal Gravitation, find the gravitational force of attraction between these two masses.

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Answer #1

m1 = m2 = 639 kg, r 0.15 m

F = (Gm1m2)/r2

= 1.21x10-3 N

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