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a tunnel is dug along the diameter of the earth a
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?
BCECE - 2017
BCECE
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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