Average horsepower needed to change the angular velocity
What average horsepower is needed to change the angular velocity of the helicopter rotor assembly (comprising of five long thin blades, each of 100 kg and 5 meters long) from zero to 300 rev per min in 10 seconds?
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Ammonia is produced industrially from the reaction of hydrogen and nitrogen. Write down the balanced chemical equation for this reaction, and describe the largest mass of NH3 that could be formed from the reaction of 15g of H2 and 105g of N2.
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Suppose 0 Celsius, an atmospheric pressure of 3.0 torr, and an atmospheric composition of the CO2(g). [Lift is given by: mass CO2(g) - mass H2(g)] You wish to explore the surface of Mars in an H2(g)filled balloon.
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Write down a balanced net ionic equation for the reaction of KmNo4 with the saturated solution of CdC2O4 in the dilute H2SO4.The major products are CO2 and Mn2+ . Explain why is the concentration of solid CdC2O4 considered a co
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