1.A 5-micron droplet of water is being carried in standard air toward a 500-micron drop of water at a relative velocity of 40m/s. Will the two drops collide?
Support your answer with calculations. (Detailed Answer please)
2.A gas stream with a particulate loading of 20.0g/m^3 is passed through a 70%-efficient cyclone followed by a 95%-efficient ESP. Calculate the overall efficiency of the system.
3.a block of mass m is on an inclined plane that makes angle ? from the horizontal plane. the coefficient of friction between the plane and the block is µ. find the point where the normal reaction N acts on the block. the frictional force on the block is indicated by f.