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One point-like charge of +20 nC sits at the center of a thick spherical shell of inner radius 4 cm and the outer radius 6cm. The shell is made of copper and has a net charge of -10 nC.
a) Describe the distribution of charge on the conductor. Sketch some electric field lines, inside and outside the shell.b) Calculate the magnitude and show the direction of the electric field at 2 cm, 5 cm and 8 cm from the center.
The barrel has a length of 0.60 m and an opening whose radius is 2.8 10-3 m. A bullet (mass = 2.7 10-3 kg) has a speed of 380 m/s after passing through this barrel. Ignore friction and examine the average pressure of the expanding gas.
The electric field on the axis of a uniformly charged ring has magnitude 400 at a point 6.0 from the ring center. Find the ring's charge
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The ends of two thin glass tubes are stuck in the same pool of water. Although both tubes are thin, one tube has a smaller inside diameter (Tube 1) than the other (Tube 2). Both tubes are made of the same material. Would you expect the level in Tu..
One of the loudest sounds in recent history was that made by the explosion of Krakatoa on August 26-27, 1883. what was the decibel level on Rodriguez Island
Two charges charges of -2.1 micro-coulombs and a charge of +2.1 micro-coulombs are placed on the corners of an equilateral triangle where the length of a side is 44 cm as shown in the sketch below. What is the magnitude of the total electric field..
A small sphere of mass m and radius r slides down a smooth stationary large sphere of radius R under the action of gravity from a position of rest at the top. Find the value of theta at which the particle falls off
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A 20.0-kg box rests on a horizontal surface. The coefficient of static and kinetic friction between the box and the surface are 0.30 and 0.10 respectively
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. how fast is the positron moving
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