If we manage to make a simple pendulum of infinite lenght then its' Time period T becomes .....
A)1 hr B) 73.53 mint C) infinite D) 84.6 mint
E) None
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Time period for long pendulum is given by
T = 2 π /sqrt((1/R + 1/L)g)
T = 2 π / sqrt((1/R + 1/∞)g)
T = 2 π sqrt(R/g)
T = 2 π sqrt(6.4 * 10^6 / 9.8)
T = 5077.58 s
T = 84.6 min
T = 2 π /sqrt((1/R + 1/L)g)
T = 2 π / sqrt((1/R + 1/∞)g)
T = 2 π sqrt(R/g)
T = 2 π sqrt(6.4 * 10^6 / 9.8)
T = 5077.58 s
T = 84.6 min
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