Physics, 14.07.2019 04:30 alexbrafford
The main uptake air duct of a forced air gas heater is 0.300 m in diameter. what is the average speed of air in the duct if it carries a volume equal to that of the house's interior every 15 min? the inside volume of the house is equivalent to a rectangular solid 13.0 m wide by 20.0 m long by 2.75 m high.
Answers: 1
![\frac{dV}{dt} = area * speed{/tex][tex]\frac{dV}{dt} = \pi r^2 * v{/tex][tex]0.794 = \pi * (0.15)^2 * v{/tex][tex]v = 11.24 m/s](/tpl/images/0087/3648/35c5e.png)
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