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An operating gearbox (transmission) has 200. hp at its input shaft while 190. hp are delivered to the output shaft. The gearbox has a steady state surface temperature of 140 degrees F. Determine the rate of entropy production by the gearbox. Please show steps used to solve.
A person with mass mp = 70 kg stands on a spinning platform disk with a radius of R = 2.13 m and mass md = 187 kg. What is the final angular velocity of the disk
A 5.5- kg concrete block rests on a level table. A 3.7- kg mass is attached to the block by a string passing over a light, what is the coefficient of friction between the block and the table
A 25kg solid door is 220cm tall, 91cm wide. What is the door's moment of inertia for rotation about a vertical axis inside the door, 15cm from one edge.
A 0.2-kg steel ball is dropped straight down onto a hard, Determine the magnitude of the impulse delivered to the floor by the steel ball
a proton moves in a circle with a speed of 280 m/s through a uniform magnetic field of 2t directed perpendicular to the circular path. compute the orbital radius of the proton
A magnetic field points perpendicular into a 5x12 cm rectangular coil of 44 turns and resistance .25 omega. what magnitude of emf is being induced in the coil
Draw a careful diagram of the set up of the reference point method of finding an image. explain how you found the object and image distances
q1. in brief explain the changes that the sun will go through after it exhausts its core hydrogen. be sure to describe
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, What is the change in the Helmholtz potential
q1. the rate of energy use in a typical house is about 2 kw. if the kinetic energy of a car mass 1456 kg is equal to
The lenses of a particular set of binoculars have a coating with index of refraction n=1.38, and the glass itself has n=1.52. what is the minimum thickness of the coating
Write x-versus-t equations of motion
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