The time period of a simple pendulum shown in the figure in 8 seconds . how much time does the bob take to travel from position A to postion B
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Answer:
Time taken to complete one-fourth oscillation is
4
T
.
So, time taken to complete (
8
1
)
th
oscillation from the extreme position is obtained from,
y=
2
a
=acosωt=acos
T
2π
t
cos
3
π
=cos
T
2πt
t=(
6
T
)S
time to complete (
3
1
)
th
oscillation =
4
T
+
6
T
=
12
5T
Hence, time to complete (
3
1
)
th
oscillation =
12
5T
W
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