Engineering, 16.12.2019 18:31 pikachu4111
An amusement park ride has a vertical cylinder with an inner radius of 3.5 m, which rotates about its vertical axis. riders stand inside against the carpeted surface and rotate with the cylinder while it accelerates to its full angular velocity. at that point the floor drops away and friction between the riders and the cylinder prevents them from sliding downward. the coefficient of static friction between the riders and the cylinder is 0.86. what minimum angular velocity in radians/second is necessary to assure that the riders will not slide down the wall?
Answers: 3
Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:10
Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.
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Engineering, 04.07.2019 18:10
Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.
Answers: 1
An amusement park ride has a vertical cylinder with an inner radius of 3.5 m, which rotates about it...
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