Water from a tank with pressure P is pumped with power 40 W and flow rate Q = 0.005 m3/s through a pipe system with diameter D= 3 cm except at the end with diameter d= 1 cm, where it jets into air at Patm. Find the pressure P in the tank. All pipes have roughness height =0.01 mm and each pipe segment has length of 2 m. The entrance loss coefficient is KL = 0.2, and the contraction between D and d has KL = 1.1 based on the velocity on the low speed side. The loss coefficients for elbows 3 and 4 are both KL = 0.35. Where are the most significant losses come from? (Hint: you need to consider the shaft work (the pump "head"))

answer:

constructing a building's framework requires a solid foundation

explanation:

the warning light flashes for a second or two when the engine starts. if it stays on, there's must be something wrong with the coolant. you should never dare to continue driving when the light is on. pull over as soon as possible and shut the engine off.

hope this is what you're talking about

answer:

i cant give me a pic

explanation:

answer:

explanation:

assault rifle is a rapid-fire, magazine-fed rifle designed for military use. it is a shoulder-fired weapon that allows the shooter to select between semi-automatic (requiring you pull the trigger for each shot), fully automatic (hold the trigger and the gun continuously fires) or three-shot-burst modes.