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(a) A charge -318e is uniformly distributed along a circular arc of radius 7.00 cm, which subtends an angle of 49o. What is the linear charge density along the arc?
(b) A charge -318e is uniformly distributed over one face of a circular disk of radius 3.10 cm. What is the surface charge density over that face?
(c) A charge -318e is uniformly distributed over the surface of a sphere of radius 5.00 cm. What is the surface charge density over that surface?
(d) A charge -318e is uniformly spread through the volume of a sphere of radius 2.70 cm. What is the volume charge density in that sphere?
Find the distance from the mirror to the point where the reflected rays meet.
suppose that all the energy goes into the arrow, with what speed does the arrow leave the bow.
A 1,200 W hair dryer is operated on a 120 V circuit for 15 minutes. If electricity costs $0.10/kW h, what was the cost of using the blow dryer.
A man pushes a lawn mower on a level lawn with a force of 187 N. If 51 percent of the force is directed horizontally, how much work is completed by the man in pushing the mower 7.0 m.
Five clocks are being tested in a laboratory. Exactly at noon, as determined by the WWV time signal, on successive days of a week the clocks read as in the following table.
Ignoring the heat lost along the length of the poker, find out the amount of heat conducted from one end of the poker to the other in 3.0 s.
If the initial temperature of the horseshoe is 600?C, and initial temperature of the water is 40?C, what is the equilibrium temperature of the system? Suppose no heat is exchanged with the surroundings.
The link between portfolio level objectives with portfolio success factors that are achieved through individual projects and points out how contributes to strategic fit, use of synergies, etc.
If the ball is released from rest at a height of 0.78m above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? suppose the ball is a solid sphere of radius 2.3cm and mass 0.14k..
Find out the electric field at radius
A 4.00 kg mass is connected by a light cord to a 3.00 kg mass on a smooth surface. The pulley rotates about a frictionless axle and has a moment of inertia of .5 kg m2 and a radius of .30 m.
If the coefficient of friction between the book and the wall is .35, explain how hard would she have to push in order to allow the book to slide down at constant speed?
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