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Calculate the time period of a simple pe...

Calculate the time period of a simple pendulum whose length is equal to radius of earth.
Hint `: L =R_(e) = 6.4 xx 10^(6) m , g = 9.8 ms^(-2)`
`T ' = 2pi sqrt(( R_(e))/(2g))`

A

Infinity

B

Zero

C

`84.6` minutes

D

`42.3sqrt(2)` minutes

Text Solution

Verified by Experts

The correct Answer is:
D
`T = 2pi sqrt((1)/(g((1)/(l)+(1)/(R))))`
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