Question:
A tunnel is dug along the diameter of the earth. A mass m is dropped into it. How much time does it take to cross the earth?
A tunnel is dug along the diameter of the earth. A mass m is dropped into it. How much time does it take to cross the earth?
Updated On: Sep 15, 2024
- 169.2 minutes
- 84.6 minutes
- 21.2 minutes
- 42.3 minutes
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The Correct Option is D
Solution and Explanation
The correct option is (D) : 42.3 minutes
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