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Earth's Rotation Is Slowing Down Because of the Tidal Interaction

Question 3

Multiple Choice

Earth's rotation is slowing down because of the tidal interaction between Earth and the Moon at a rate of 2 milliseconds per century. If this rate remains constant at the present value, how long will it take for 1 day on Earth to become 2 seconds longer than it is now?


A) 1 million years
B) 100 million years
C) 1000 years
D) 100,000 years

Correct Answer:

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