The period of Earth’s Moon if the orbital radius were doubled.
Answer to Problem 53A
79 days
Explanation of Solution
Given:
The orbital radius of Earth’s Moon is
Formula used:
Period of a Planet orbiting the Sun is given by,
Where
Calculation:
The value of gravitational constant is,
Also, the mass of the Earth is
Then, considering the motion of the Moon around the Earth as the motion of a planet around the Sun, the orbital period of the Moon if its orbital radius is doubled will be,
Conclusion:
Thus, the orbital period of the Moon around the Earth would be 79 days if the Moon’s orbital radius were doubled.
Chapter 7 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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