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Convert Units by Dimensional Analysis
Grade Level
GRE
QR.051 Convert Units by Dimensional Analysis
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A pump moves 0.7 L/sec. Which expression leaves only cubic meters per hour after the units cancel?
A
0.7 L/sec x (1000 L / 1 m
3
) x (60 sec / 1 min) x (60 min / 1 hr)
B
0.7 L/sec x (1000 L / 1 m
3
) x (1 min / 60 sec) x (1 hr / 60 min)
C
0.7 L/sec x (1 m
3
/ 1000 L) x (60 sec / 1 min) x (60 min / 1 hr)
D
0.7 L/sec x (1 m
3
/ 1000 L) x (60 sec / 1 min) x (1 hr / 60 min)
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