calculate the changes in the length of simple pendulum of length 1m when its period of oscillation changes from 2s to 1.55
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Answered by
0
Answer: 16 /7 m.
Explanation:
Answer
Given, T
1
=2sec
L
1
=1m
T
2
=1.5sec
T=2π
g
L
Tα
L
L
2
T
1
=
L
2
T
2
∴
1
2
=
L
2
1.5
L
2
=
16
9
L
1
−L
2
=1−
16
9
=
16
7
∴ length decreased by
16 /7 m.
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Answer:
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