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ppk ppk
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12 years ago
Three masses are located as follows: a 3.5-kg mass is at the origin, a 4.2-kg mass at (0.0 m, 7.0 m), and a 6.5-kg mass at (24.0 m, 0.0 m). What is the gravitational energy of the system of masses? G = 6.67 x 10-11 N•m2/kg2.
A) -2.8 × 10-10 J
B) -2.0 × 10-10 J
C) -1.4 × 10-10 J
D) -3.2 × 10-10 J
E) -3.9 × 10-10 J
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duddyduddy
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12 years ago Edited: 2 years ago, bio_man
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