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January 31, 2015

January 31, 2015

Posted by **Frank** on Sunday, August 22, 2010 at 12:37am.

a)Assuming that water has a density of exactly 1 g/cm3 (cubed), find the mass of one cubic meter of water in kilograms.

b)Suppose that it takes 10 hours to drain a container of 5700m3 (cubed) of water. What is the "mass flow rate," in kilograms per second, of water from the container?

- College Physics -
**drwls**, Sunday, August 22, 2010 at 1:01ama) 1 cubic meter equals 10^6 cm^3.

multiply that by 1.0 g/cm^3 to get the mass in grams. Then convert to kg.

b) 10 hours is 36,000 seconds

5700 m^3 of water has a mass of ___ kg. (Use your answer to part a)

Divide the mass in kg by the time in seconds.

- College Physics -
**Frank**, Sunday, August 22, 2010 at 1:10amthank you

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