Air flows at steady state through a horizontal, well-insulated, constant-area duct of diameter 0.1 m. at the inlet, p1 = 7 bar, t1 = 700 k. the temperature of the air leaving the duct is 400 k. the mass flow rate is 420 kg/min. determine the magnitude, in n, of the net horizontal force exerted by the duct wall on the air. in which direction does the force act?

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.