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Physics
Physics
Problem
A metal ball is dropped from rest from a balcony
20.0
m
20.0\,\text{m}
20.0
m
above the ground. The measured time of fall is
2.02
s
2.02\,\text{s}
2.02
s
. Calculate the value of
g
g
g
obtained from these data. a)
9.9
m
s
−
2
9.9\,\text{m}\,\text{s}^{-2}
9.9
m
s
−
2
b)
10.0
m
s
−
2
10.0\,\text{m}\,\text{s}^{-2}
10.0
m
s
−
2
c)
9.8
m
s
−
2
9.8\,\text{m}\,\text{s}^{-2}
9.8
m
s
−
2
d)
9.2
m
s
−
2
9.2\,\text{m}\,\text{s}^{-2}
9.2
m
s
−
2
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