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Physics
Physics
Problem
A pendulum makes
40
40
40
complete oscillations in exactly
60
s
60\,\text{s}
60
s
at a place where
g
=
9.8
m
s
−
2
g = 9.8\,\text{m\,s}^{-2}
g
=
9.8
m
s
−
2
. Calculate the length of the pendulum. a)
1.12
m
1.12\,\text{m}
1.12
m
b)
0.14
m
0.14\,\text{m}
0.14
m
c)
0.56
m
0.56\,\text{m}
0.56
m
d)
2.25
m
2.25\,\text{m}
2.25
m
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