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Select a single-cylinder reciprocating compressor. Sketch the crankshaft, connecting rod, piston, and frame as free bodies when the piston is 60° before head-end dead center on the compression stroke. Sketch the entire compressor as a single free body for this condition.
A man pushes a lawn mower on a level lawn with a force of 189 N. If 38% of this force is directed downward, how much time is spent in pushing the mower this distance
How much heat entered or left the helium during segments ab, bc, and ca? By how much did the internal energy of the He change from a to b, from b to c, and from c to a?
A tension force has horizontal and vertical components Tx=130 N and Ty=910 N. Find the magnitude of the tension force
a diver springs upward with an initial speed of 2.65 ms from a 3.0-m board.a find the velocity with which he strikes
A 25.1-mW laser beam of diameter 2.15 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
A person exerts a force of 68N on the end of a door 75cm wide. What is the magnitude of the torque if the force is exerted perpendicular to the door
What is the resolving power of the objective if it is used in an oil-immersion microscope with n oil = 1.45
Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 5.85 m/s. Ignore frictional losses. What is the height of the hill
A rock weighing 7538 N rock with a volumeof 47 L is completely submerged inmercury. The density of mercury is 13.6 kg/L. Determine the buoyant force on the rock
An alpha particle (He2+) with a velocity of 2.6E+6 meter per second crosses a uniform magnetic field at an angle of 37o to the field lines and experiences a magnetic force of 1.4E-3 Newton. Evaluate the strength of the magnetic field
a 330 g air track cart on a horizontal air track is attatched to a string that goes over a pulley with a moment of
A 72.0-kg log falls from a height of 20.0 m into a lake. find the change in entropy of the air during this process
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