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In a laboratory experiment with simple pendulum it was found that it look 36s to complete 20 oscillations when the effective length was kept at 80cm. Calculate the acceleration due to gravity from these data.
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Answers
Answered by
0
Answer:
T=
20
30sec
ΔT=
20
1
sec
L=55cm ΔL=1mm=0.1cm
g=
T
2
4π
2
L
percentage error in g is
g
Δg
×100%=(
L
ΔL
+
T
2ΔT
)100%
=
⎝
⎜
⎜
⎜
⎛
55
0.1
+
20
30
2(
20
1
)
⎠
⎟
⎟
⎟
⎞
100%=6.8%
Answered by
0
Answer:
Explanation:
T=
20
30sec
ΔT=
20
1
sec
L=55cm ΔL=1mm=0.1cm
g=
T
2
4π
2
L
percentage error in g is
g
Δg
×100%=(
L
ΔL
+
T
2ΔT
)100%
=
⎝
⎜
⎜
⎜
⎛
55
0.1
+
20
30
2(
20
1
)
⎠
⎟
⎟
⎟
⎞
100%=6.8%
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