The mass of the earth is 81% the mass of the moon. The distance between the centres of the earth and the moon is 60 times the radius of earth R = 6400 km. How far is the centre of mass of the earth-moon system away from the earth? %3D A) 4683 km B) 2275 km C) 3592 km D) 5355 km E) 3989 km

The mass of the earth is 81% the mass of the moon. The distance between the centres of the earth and the moon is 60 times the radius of earth R = 6400 km. How far is the centre of mass of the earth-moon system away from the earth? %3D A) 4683 km B) 2275 km C) 3592 km D) 5355 km E) 3989 km

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter7: Gravitation

Section: Chapter Questions

Problem 85A

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The mass of the earth is 81% the mass of the moon. The distance between the
centres of the earth and the moon is 60 times the radius of earth R = 6400 km.
How far is the centre of mass of the earth-moon system away from the earth?
%3D
A) 4683 km
B) 2275 km
C) 3592 km
D) 5355 km
E) 3989 km
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