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Two masses m1= 5.00 kg and m2 = 3.00 kg are connected by a string as shown. Mass m1 sits on a rough surface with unknown frictional coefficient mk. After releasing the masses, they move with an acceleration of a = 2.80 m/s.
(a) Draw a free body diagram for each mass.
(b) What is the frictional coefficient of the surface.
A 747 airliner reaches its takeoff speed of 187 mi/h in 31.4s. What is the magnitude of its average acceleration.
A 48.9 g ball of copper has a net charge of 3.0 µC. What fraction of the copper's electrons have been removed
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One radiator has a volume of 0.09mt³. It contains saturated vapor at a temperature of 100°C. find The total mass of vapor in the radiator
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The telescope at Yerkes Observatory in Wisconsin has an objective whose focal length is 19.4 m. Its eyepiece has a focal length of 10.0 cm. What is the angular magnification of the telescope
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A glass U-tube with a uniform diameter of 0.850 cm is used to determine the density of an oil. Calculate the density of the oil
A coaxial cable consists of a central cylindrical wire and a concentric cylindrical conductor, with the space between filled by a dielectric material. If the radius of the wire is 2.5mm, the inside radius of the cylindrical conductor is 2.0mm, and..
Water is discharged from a large pump and travels at an average velocity of 48 ft/sec. What is the kinetic energy of each lbm of water leaving the pump
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