Question

Find the length of a simple pendulum whose time period is 2s.

Answer 1

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Here your answer

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Answer 2

Answer:

Explanation:

Solution :-

Given :-

Time period, T = 2 sec

Acceleration due to gravity, g = 9.8 m/s²

To Calculate :-

Length, L = ?

Formula to be used :-

l = T² × g/4π²

Substituting the given values, we get

l = T² × g/4π²

l = 2² × 9.8 × 7 × 7/4 × 22 × 22

l = 0.99 m

l = 1.0 m

Hence, the length of a simple pendulum is 0.99 m or 1.0 m.