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a uniform metal rod is used as a bar pendulum if the room tempature rises by 10 0 and the coefficient of linear expansion of the metal of the rod is 2x10 -6 the period of the pendulum will have percentage increase of? 1]2x10 -3 2]3x10 -3 3]2x10 3 4]1x10 -3

a uniform metal rod is used as a bar pendulum if the room tempature rises by 100 and the coefficient of linear expansion of the metal of the rod is 2x10-6  the period of the pendulum will have percentage increase of?
1]2x10-3
2]3x10-3
3]2x103
4]1x10-3

Grade:8

1 Answers

Vikas TU
14149 Points
3 years ago
Fractional change in period =>
ΔTT=12αΔθ=12×2×10−6×10=10−5.
the period of the pendulum will have percentage increase of=>
% change=ΔTT×100=10−5×100=10−3

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