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Question: Find 3-5 different types of vacuum pumps - explain how they work - explain where you would use them - explain their operating pressure - etc... I don't have a clear idea for the vacuum pumps, for any 3-5 types of vacuum pumps.
An anchor holding a boat stationary on a river forms a 65 degree angle with the river bottom. The anchor line is 40 meters long. Assume the river has a uniform depth, how deep is the river directly below boat.
What is the little distance between the speakers for which the interference of the sound waves is destructive.
What should be coefficient of static friction
The lander is 8.2 meters above the surface and has the downward speed of 0.89 m/s while the engine is cut off. What is the speed of the lander just before it touches the surface.
If you had been tasked to remove the water from New Orleans after Hurricane Katrina would you select a radial flow, mixed flow or axial flow pump for this purpose? Explain it briefly.
A magnetic field near the ceiling points up and is decreasing. Looking up at the ceiling, does non-Coulomb electric field curl clockwise or counter-clockwise.
A horizontal ray of light falls on a vertical plane mirror free to turn about the horizontal axis. If the mirror turns through 20o, by what angle does the reflected ray turn.
A curve of radius 40 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely create the curve?
Sam, who's mass is 79 kg, takes off across level snow in his jet powered skis. The skis have a thrust of 204 N and a coefficient of kinetic friction on snow of 0.1. Unfortunatately the skis run out of fuel after only 13 s.
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
A bus makes a trip according to the position time graph shown in the drawing. Find the average velocity (magnitude & direction) of the bus during each of the segments labelled A, B, & C?
A box is sliding up an incline that makes an angle of 27.7 ° regarding the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.113. The initial speed of the box at the bottom of the incline is 2.27 m/s...
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