Find the required angular speed
Find the required angular speed rev/min of an ultra-centrifuge for the radial acceleration of a point 2.50cm from the axis to equal 400000g (that is, 400000 times the acceleration due to gravity)
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Determine the velocity at which the oxygen leaves the nozzle, assuming that it enters with negligible velocity, treating the oxygen as an ideal gas with temperature variable specific heats and using the departure charts.
Dr. Brown's new house will need to use propane (C3H8) gas to fuel the range, because natural gas service is not available at the location. The propane is stored as a liquid, and the gas to be burned is produced as the liquid evaporates.
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If the angular speed of the front sprocket is 0.650 rev/s, what is the radius of the rear sprocket for which the tangential speed of a point on the rim of the rear wheel will be 4.50 m/s? The rear wheel has radius 0.310 m
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What amount of current is needed to provide a modest force of magnitude 5 kN? Take the vertical component of Earth's field to be 10 µT and the length of the axle to be 3.0 m.
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