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A small aircraft with a wing area of 250 ft2 and a weight of 2200 lb has a lift coefficient of 0.4 and a drag coefficient of 0.05.
1) How much power is required to maintain straight and level flight?
2) If the aircraft is flying at 8,000 ft above the ground and the engine suddenly quits, how far could the aircraft glide before reaching the ground?
A turbine located 225 m below the water surface at intake, carries a flow of 3.5 m^3/s. The head loss in the pipeline leading to it is 10 m. Find the power (kW) delivered by the turbine if its efficiency is 92%.
A BOD5 test sample of river water has the following test data. DO on day 0 = 7.9 mg/L. DO on day 5 = 2.3 mg/L. What is the BOD5 of the river water
The space truss shown is supported by a ball-and-socket joint at D and by short links at A and C. Determine the support reactions and the force in each member of the space truss.
Assume that the upstream pressure is 60 psi and that the flow is isothermal at 68F, determine the maximum possible mass flow rate of air for which the assumption of incompressible flow is a vaild engineering approximation.
Consider the following two simultaneous equations: x^2 + y^2 = 42x + 3*y + 2*y^2= 6 Which of the following is a possible solution for x and y? Answer x = -6.22 & y = 1.83 x = 6.48 & y = 0.18 x = -5.59 & y -1.38 x = 6.33 & y = -3.27
(a) Determine the magnitude of the projected components of F acting parallel Fp and normal Fn to line OA. (b) Express these components Fp and Fn in Cartesian vector notation.
If rod slides along the horizontal slot with a velocity of 44 ft/s , determine the angular velocity of link BC at the instant
A sailboat capsizes a large distance from shore. What might be done to 1) right the boat and 2) prevent this from occurring again. How would this be accomplished specifically
After falling from rest from a height of 32 m, a 0.45 kg ball rebounds upward, reaching a height of 22 m. If the contact between ball and ground lasted 1.5 ms, what average force was exerted on the ball?
A rapid sand filter has a loading rate of 8.00 m/h, surface dimension of 10m x 8m, an effective filtration rate of 7.70 m/h, and a production efficiency of 96 percent. A complete filter cycle duration in 52h and the filter rinses for 20 minutes at th..
NH4+ = N+ + NH3 pK =9.24 If the pH is 8.5 and the ammonium(NH4+) concentration in 20mg/L, calculate the ammonia(NH3) concentration in mg/L.
A train starts from rest at station A and accelerates at 0.5m/s^2 for 60s. Afterwards it travels with a constant velocity for 25min. It then decelerates at 1 m/s^2 until it is brought to rest at station B.
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