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A nonconducting spherical shell, with an inner radius of 7.4 cm and an outer radius of 9.9 cm, has charge spread nonuniformly through its volume between its inner and outer surfaces. The volume charge density ? is the charge per unit volume, with the unit coulomb per cubic meter. For this shell ? = b/r, where r is the distance in meters from the center of the shell and b = 6.4 µC/m2. What is the net charge (in Coulombs) in the shell?
three 0.04 kg particles have been glued to a rod of length L = 13 cm and negligible mass and can rotate around a perpendicular axis through point O at one end. How much work is required to change the rotational rate
The driver of one car sounds a 365 Hz frequency horn and the driver of the other car hears a frequency of 392 Hz, Determine the speed of both cars
A space station is constructed in the shape of a wheel 16 rm m in diameter, with essentially all of its 6.0×10^5 rm kg mass at the rim.
Light of a wavelength 450 nm is incident on a sodium emitter in a photoelectric effect apparatus. Sodium is 2.3 eV, What is the stopping potential for the emitted electrons
A person throws a rock straight up into the air. At the moment itleaves the person's hand it is going 33mph. When the rock reaches its peak, how fast is it going and whatis the magnitude and direction of its acceleration?
A soccer ball m = 0.9 kg dropped from a height h = 4.6 m bounces off the grass. Write an expression for how high hf the soccer ball bounces
A projectile is fired at an angle of 45° with initial kinetic energy E0. At the top of its trajectory, What is the speed of the first fragment
Calculate the relativistic kinetic energy of a 920 kg car moving at 33 m/s if the speed of light were only 45 m/s
A sqaure with sides of length 2m is perpendicular to a magnetic field of strength 10 T. If the square is rotated by 60o ,what is the change in magnetic flux through the square
A proton orbits a long charged wire, making 5.66 *106 revolutions per second. What is the wire's linear charge density
Three moles of an ideal gas are contained in a 75 L container at a pressure of 1.6 atm. What is the temperature of the gas
A golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struck. what was the club velocity before the collision
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