8. The Earth has a mass of 5.97 * 1024 kg and the Moon has a mass of 7.35 * 102² kg. If they are separated by a distance of 3.85 * 10° km, what is the force (in N) between the Earth and the Moon? (Enter your answer in scientific notation: 1.23E12 means 1.23 * 102) 9. Repeat the previous problem using centripetal forces. Assume the Moon travels in a perfect circle around the Earth, with

8. The Earth has a mass of 5.97 * 1024 kg and the Moon has a mass of 7.35 * 102² kg. If they are separated by a distance of 3.85 * 10° km, what is the force (in N) between the Earth and the Moon? (Enter your answer in scientific notation: 1.23E12 means 1.23 * 102) 9. Repeat the previous problem using centripetal forces. Assume the Moon travels in a perfect circle around the Earth, with

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter7: Gravitation

Section7.1: Planetary Motion And Gravitation

Problem 6PP

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The Earth has a mass of 5.97 * 1024 kg and the Sun has a mass of 2.00 * 1030 kg. If they are separated by a distance of 1.50 * 108 km, what is the force (in N) between the Earth and the Sun? (Enter your answer in scientific notation: 1.23E12 means 1.23 * 1012) Repeat the previous problem using centripetal forces. Assume the Earth travels in a perfect circle around the Sun, with masses and distances given above, and takes 365.25 days to complete a complete circle. What is the centripetal force (in N) acting on the Earth? (Think about why and by how much the answers to these two questions differ.)
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