Question

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The lenght of simple pendulum
S.H.M(simple harmonic motion)
is increased by 21%. What is %
increase in time period?

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Answer 1

T = 2pi (l/g)^1/2

T = K l^1/2

% DeltaT/T = % 1/2Delta l/l

% DeltaT/T = 1/2 * 21 %

% DeltaT/T = 10.5%

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Answer 2

Answer:

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