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.
A thin spherical shell begins from rest and rolls down the incline. The coefficient of static friction among the shell and incline is (Us=.3). Determine the maximum angle of incline such that the shell will roll with no slippage?
Initially O2 and NO are separated as shown below. When the valve is opened, the reaction quickly goes to completion. Calculate what gases remain at the end and determine the partial pressure of NO.
Which of the following tends to rise the size of the F ratio in a RM ANOVA?
If drug residue is present in the sample the solution turns blue (λmax = 605 nm, ε = 19,200M-1cm-1). A test for drug use involves addition of 5.00mL of colorless reagent to 5.00 mL urine.
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.
Determine domain of following function. Explain the answer in interval notation. The x on bottom is out of square root so only thing under √8x-25.
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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