Per4_exercise - Solutions to Period 4 Exercises E.1 The...

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Solutions to Period 4 Exercises E.1 The gravitational force between two objects a) increases as the distance between them increases. b) decreases as the distance between them increases. c) acts to push objects apart. d) is felt more by the object with smaller mass. e) is felt more by the object with larger mass. E.1 = b 4-Ex 1
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Which exerts a larger force on the moon, the sun or the Earth? Distance from moon to Earth = 3.84 x 10 8 m Distance from moon to sun = 1.50 x 10 11 m Mass of the Earth = 5.98 x 10 24 kg Mass of the sun = 2.00 x 10 30 kg Mass of the moon = 7.36 x 10 22 kg Force of the Sun on the Moon = (6.67 x 10 -11 N m 2 /kg 2 ) x 2.00 x 10 30 kg x 7.36 x 10 22 kg) (1.50 x 10 11 m) 2 (6.67 x 10 -11 N m 2 /kg 2 ) x (14.72 x 10 52 kg 2 ) 2.25 x 10 22 m 2 98.18 x 10 41 N = 43.6 x 10 19 N = 4.36 x 10 20 N 2.25 x 10 22 Force of the Earth on the Moon = (6.67 x 10 -11 N m 2 /kg 2 ) x 5.98 x 10 24 kg x 7.36 x 10 22 kg (3.84 x 10 8 m) 2 (6.67 x 10 -11 N m 2 /kg 2 ) x 44.01 x 10 46 kg
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This note was uploaded on 06/11/2011 for the course PHYSICS 103 taught by Professor Staff during the Spring '10 term at Ohio State.

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Per4_exercise - Solutions to Period 4 Exercises E.1 The...

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