physics
posted by sagara .
(a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 3.76 cubic meter of water in kg. (b) Suppose that it takes 10.4 hours to drain a container of 59.1 m^3 of water. What is the “mass flow rate,” in kg/s, of water from the container?

a. 3.76m^3*10^6cm^3/m^3 = 3.76*10^6cm^3.
1g = (1/1000)kg = 10^3kg.
Mass = 10^3kg/cm^3 * 3.76^10^6cm^3 = 3.76*10^9kg.
b. Rate = 59.1m^3 / 10.4h = 5.68m^3/h.
5.68m^3 * 10^9kg/m^3 = 5.68*10^9kg.
Rate = 5.68*10^9kg/h * (1/3600)h/s = 1.58*10^12kg/s.
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