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A nonconducting sphere contains positive charge distributed uniformly throughout its volume. Which statements about the potential due to this sphere are true? All potentials are measured relative to infinity. (There may be more than one correct choice.) Choose all that apply. Choose all that apply. The potential at the center is the same as the potential at infinity. The potential at the center of the sphere is the same as the potential at the surface. The potential at the center of the sphere is zero. The potential at the surface is higher then the potential at the center. The potential is highest at the center of the sphere.
A spherical shell has an outside radius of 2.6cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.70g/ cm3. The space inside the shell is filled with a liquid having a density of 1.23g/cm3.
A charge of 3.45 µC is uniformly distributed on a ring of radius 9.5 cm. Find the electric field strength on the axis at the following locations. (a) 1.2 cm from the center of the ring N/C (b) 3.1 cm from the center of the ring N/C (c) 4.0 m from ..
Two people stand 5.20 m apart and 4.00 m away from a large plane mirror in a dark room. At what angle of incidence should one of them shine a flashlight on the mirror so that the reflected beam straight strikes the other person.
A dockworker applies a constant horizontal force of 79.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 15m in a time 4.50s. What is the mass.
Mechanics: Center of Mass. A 60 kg woman and a 90 kg man stand 10.0 m apart on frictionless ice.
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.6020 N when separated by 50 cm, center-to-center.
Nitrogen and oxygen in their liquid states have densities only 0.80 and 0.90 that of water. Atmospheric pressure is due primarily to weight of nitrogen and oxygen gas in the air. If atmosphere liquefied would its depth be greater or less than 10.30 m..
A penny of mass 3.1g rests on a small 20g block supported by a spinning disk. The coefficients of friction between the block and disk are 0.75 (static) and 0.64 (kinetic).
What is an index of refraction of the liquid
Calculate the torque on the center of mass of the rod alone with respect to the pivot point.(in N*m)? Calculate the unknown mass.(in kg).
With what velocity does the wrench strike the ground. What is magnitude and direction of the boat's acceleration? Enter a positive answer for a direction due west, or a negative answer for a direction due east.
A spool of thin wire (with inner radius r = 0.50 m, outer radius R = 0.65 m, and moment of inertia I_cm = 1.1323 kg*m2) pivots on a shaft.
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