What rate should air be moving through the open window

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Q. the only one person still dancing now: that's 5 people boogying at 1800 btu/hr/person. if it is 77F inside your container/party pad, but it is only 60F outside , the volume of inside of house is 240.16ft3. the air sh; 0.24btu/lbF and the density is 0.075lb/ft3. what rate should air be moving through the open window in order to keep the system in equilibrium?

Q. A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 8.21 s. What is its initial velocity? Neglect air resistance.

Reference no: EM1363753

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