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A 10kg block sliding along a frictionless surface with a velocity of 10m/s comes into contact with a horizontal, uncompressed linear spring. If the spring slows the block down to 0 m/s while being compressed a total of 30 cm, what is its spring constant?
an elevator is created by using a hose hanging from the top of a 10 m building. the hose is diverted into 4 jets at the
This crate holding 40 bricks, each of mass 1.3kg, is placed on a hydraulic lifting beam as shown. State the order of the lever used here. Calculate the effort required to lift the load. Calculate the mechanical advantage for this system.
consider an 8-l evacuated rigid bottle that is surrounded by the atmosphere at 100kpa and 17 degrees c. a valve at the
As shown, a member is fixed at the origin, point O, and has an applied force F, the tension in the rope, applied at the free end, point B. The force has magnitude F = 150 N and is directed as shown. The dimensions are x1 = 0.450 m, x2 = 1.90 m, y1 = ..
an angled jet of water comes from the ground at 5 m s at a 35 degree angle from the horizontal. how high does the
a refrigerator operates on the ideal vapor compression refrigeration cycle with r-134a as the working fluid between the
an engineer needs to monitor a flow of 20degc gasoline at about 250plusmn25 galmin through a 4- in-diameter smooth
crude oil flows through a level section of the alaskan pipeline at a given rate in millions of barrels per day1 barrel
a steady flow of liquid ethylene glycol inside finned tubing is cooled from an inlet state of 85c and 2000kpa to an
an airplane flies at a speed of 539 mph at an altitude of 10000 ft. if the boundary layers on the wing surfaces behave
a company owns a refrigeration system whose refrigeration capacity is 200 tons 1 ton of refrigeration 211 kjmin and you
1 one way to study the surface tension effects in a liquidsolid system is to dip a pair of parallel plates into the
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