What is the flux density at the center of the sphere
A 10^5 GBq (giga-bequerel) source emitting 1 MeV photons per transformation is uniformly distributed within the volume of a hypothetical sphere of 2 meter diameter. What is the flux density in cm^-2*s^-1 at the center of the sphere?
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The loaded cab of an elevator has a mass of 2.4 x 103 kg and moves 243 m up the shaft in 26 s at constant speed. At what average rate does the force from the cable do work on the cab?
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A 1.05 liter flask contains a certain quantity of ideal gas at 305 K. Then an equal number of molecules of the same gas is added to the flask, after which the absolute pressure is 1.60 times its original value. What is the final temperature?
A pipe open at one end only has a fundamental frequency of 282 Hz. A second pipe, initially identical to the first pipe, is shortened by cutting off a portion of the open end. Now, when both pipes vibrate at their fundamental frequencies, a beat
A 10^5 GBq (giga-bequerel) source emitting 1 MeV photons per transformation. What is the flux density in cm^-2*s^-1 at the center of the sphere?
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A 210 , 48.0-cm-diameter turntable rotates on frictionless bearings at 54.0 . A 17.0 block sits at the center of the turntable. A compressed spring shoots the block radically outward along a frictionless groove in the surface of the turntable.
A cylindrical shell of radius 9 cm and length 245 cm has its charge density uniformly distributed on its surface. The electric field intensity at a point 23.8 cm radially outward from its axis (measured from the midpoint of the shell ) is 49300 N
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