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A smooth and bottomless tunnel is dug through the centre of earth .A particle is released from the surface of earth into the tunnel. Time to reach at a distance R/2 from the other end of tunnel is (appoximately) equal to (where R= radius of earth) (1) 56.4 minutes(3) 42.3 minute(2) 7.05 minutes(4) 28.2 minute

Shivam chopra , 6 Years ago
Grade 12
anser 1 Answers
Adarsh

Last Activity: 6 Years ago

Dear Shivam,
i m getting 28.2 as answer , if it is correct then let me know i will explain you its process .
Thanks and Regards
Adarsh

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