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Why length of pendulam is equal or grater than the radius of earth is not possible ? And plot graph T vs g for that

 

Why length of pendulam is equal or grater than the  radius of earth is not possible ? And plot graph T vs g for that 

 

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
In that case the pendulum bob needs to be large as the earth and therfore the length of the pendulum would vary.
Hence,
T = 2pi*root(R/g) => 2pi*root(64*10^4) => 1600pi = > 1.4 hour.
Hence the bob itself would take more than 1 hour to complete the one oscillation.
which would be a huge transition and is not possible.

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