Suppose that it takes 10.0 h to drain a container of 5700 m^3 of water. what is the "mass flow rate" in kg per second, of water from the container?
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Ответ:
158.3 kg/s
Explanation:
given,
time to drain water from container = 10 h
volume of water in the container, V = 5700 m³
density of water = 1000 Kg/m³
mass flow rate = ?
mass of water = ρ V
m = 1000 x 5700
m = 5.7 x 10⁶ kg
time of flow = 10 h
= 10 x 60 x 60 = 36000 s
the mass flow rate =![\dfrac{mass}{time}](/tpl/images/0479/8112/d2432.png)
=![\dfrac{5.7\times 10^{6}}{36000}](/tpl/images/0479/8112/f572c.png)
= 158.3 kg/s
hence, the mass flow rate is equal to 158.3 Kg/s
Ответ: