A mechanical pump is used to pressurize a bicycle tire The in flow to the pump is 0 4 cfm The density of the air entering the pump is 0 075 lbm ft 3 The inflated volume of a bicycle tire is 0 050 ft 3 The density of air in the inflated tire is 0 4 lbm ft 3 How many seconds does it take to pressuriz...

air that needs to be added to the tire and the mass flow rate of air entering the pump Give ...

A mechanical pump is used to pressurize a bicycle tire. The in flow to the pump is

Question:

A mechanical pump is used to pressurize a bicycle tire. The in flow to the pump is 0.4 cfm. The density of the air entering the pump is 0.075 lbm/ft³. The inflated volume of a bicycle tire is 0.050 ft³. The density of air in the inflated tire is 0.4 lbm/ft³. How many seconds does it take to pressurize the tire if there initially was no air in the tire?

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