Determining the angular momentum
A turntable having mass 4.50 kg consists of a radius of 0.078 m and spins with a frequency of 0.528 rev/s. Determine its angular momentum? Suppose that the turntable is a uniform disk.
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A copper wire consists of 8.48 x10^28 free electrons per m^3. When the cross sectional area of the wire is 4.00 x 10^-6 m^2 and the current is 12.0 amperes, then determine the drift speed in m/s of the electrons when the magnitude of the charge on
Compute the angular velocity of the pedestal for angle of the arm to be at 60 degrees with respect to the horizontal. Determine the corresponding number of revolutions per minute? Suppose that the length of the arm is 90 cm and the center of mass
Marlene rides the bike at steady speeds of 9 mph on level ground, 6 mph when going uphill and 18 mph when going downhill. if total time riding was two hours, hows far is it to jon's house?
A single capacitor of 5.5uf is joined across the terminals of a 60 voltage source, and a current of 2.0mA is measured on the ac ammeter. Determine the capacitive reactance of the capacitor?
Concentration of drug in the organ at any time t (in seconds) is provided by x(t) = .07 + .15e^.04t where x(t) is measured in grams/cubic centimeter (g/cm3). How long it take drug in organ to reach .16(g/cm^3).
Off the coast of Florida, the Gulf Stream consists of a speed of 4.6 km/h and a rate of flow of 2.2 X 103 km3 /day. Determine the rate at which kinetic energy flowing past the coast? If all this kinetic energy could be transformed into electric po
If atmospheric pressure is 16 lb/in^2 at sea level and 11.5lb/in^2 at 3000 ft, determine atmospheric pressure at altitude of 9000 ft.
A mass of 5kg is joined to a 9 Kg mass by a string. The pulley and surface are frictionless. When the system begins from rest, determine the speed of the 5kg mass after the 9kg mass has moved down 2m.
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