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Mathematics
Problem
Air near sea level has a density of
0.075
lb/
ft
3
0.075\,\text{lb}\text{/}\text{ft}^{3}
0.075
lb
/
ft
3
. Using the conversion factors
1
lb
=
0.453592
kg
1\,\text{lb}=0.453592\,\text{kg}
1
lb
=
0.453592
kg
and
1
ft
=
0.3048
m
1\,\text{ft}=0.3048\,\text{m}
1
ft
=
0.3048
m
, determine the density in
kg/
m
3
\text{kg}\text{/}\text{m}^{3}
kg
/
m
3
. a)
0.37
kg/
m
3
0.37\,\text{kg}\text{/}\text{m}^{3}
0.37
kg
/
m
3
b)
1.2
kg/
m
3
1.2\,\text{kg}\text{/}\text{m}^{3}
1.2
kg
/
m
3
c)
0.11
kg/
m
3
0.11\,\text{kg}\text{/}\text{m}^{3}
0.11
kg
/
m
3
d)
2.6
kg/
m
3
2.6\,\text{kg}\text{/}\text{m}^{3}
2.6
kg
/
m
3
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