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Tidal friction is slowing the rotation of the Earth. As a
Chapter 2, Problem 10(choose chapter or problem)
Problem 10PE
Tidal friction is slowing the rotation of the Earth. As a result, the orbit of the Moon is increasing in radius at a rate of approximately 4 cm/year. Assuming this to be a constant rate, how many years will pass before the radius of the Moon’s orbit increases by 3.84×106 m (1%)?
Questions & Answers
QUESTION:
Problem 10PE
Tidal friction is slowing the rotation of the Earth. As a result, the orbit of the Moon is increasing in radius at a rate of approximately 4 cm/year. Assuming this to be a constant rate, how many years will pass before the radius of the Moon’s orbit increases by 3.84×106 m (1%)?
ANSWER:
Solution
Step 1
Tidal friction is the strain produced by the celestial body such as the earth or moon that undergoes cyclic variations in gravitational attraction as it orbits or orbited by a second body.