Calculate the speed in m/s at which the moon revolves around Earth. Note: The orbit is nearly circular.
The speed of revolution of the Moon around the Earth.
Answer to Problem 42A
The speed of revolution of the Moon around the Earth is
Explanation of Solution
Given:
Consider the Moon revolves around the Earth in an orbit.
Formula used:
Consider the Moon revolve around the Earth in a circular orbit.
The expression for the speed
Here,
Calculation:
Consider the Moon revolve around the Earth in a circular orbit.
The radius of the orbit of the Moon is
The time period of one revolution of the Moon around the Earth is
The speed
Conclusion:
Thus, the speed of revolution of the Moon around the Earth is
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