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A straight tuning is due into the earth ...

A straight tuning is due into the earth as shows in figure at a distance `b` from its centre. A ball of mass `m` is dropped from one of its ends. The time it takes to reach the other end is approximately

A

`42 min`

B

`84 min`

C

`84((b)/(R)) min`

D

`42((b)/(R)) min`

Text Solution

Verified by Experts

The correct Answer is:
A

Time taken in one comlete oscillations is `84.6 min`.
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