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1) Consider point ions of mass 'M' and charge 'e' immersed in a uniform sea of conduction electrons. The ions are imagined to be in stable equilibrium when at regular lattice points. If one ion is displaced a small distance 'r' from its equilibrium position, the restoring force is largely due to the electric charge within the sphere of radius 'r' centered at the equilibrium position. Take the number density of ions (or of conduction electrons)( 3/4)(π)R

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Question #244725

Physics

Calculate the potential difference of an energy source that provides 6.8 J for every milli-coulomb of charge that it delivers.

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Question #244695

Physics

what does a mutated cell look like

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Question #244659

Physics

A rechargeable flashlight battery is capable of delivering 85 mA for about 12 hr. How much charge can it release at that rate? If its terminals voltage is 1.2 V, how much energy can the battery deliver?

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Question #244652

Physics

Boyboy and Elang are on a hike. Starting from home base, they make the following movements: (A) 2.65 km, 140 N of E; (B) 4.77 km, 252 N of E; (C) 3.18 km, 332 N of E.

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Question #244649

Physics

A diver springs upward with an initial speed of 2.90 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the downward direction is chosen as the negative direction.] (b) What is the highest point he reaches above the water?

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