Questions from Modern Physics


Q: Repeat Problem 22.54, but now let the charge density

Repeat Problem 22.54, but now let the charge density of the slab be given by

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Q: A nonuniform, but spherically symmetric, distribution of charge has a

A nonuniform, but spherically symmetric, distribution of charge has a charge density

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Q: (a). An insulating sphere with radius a has a uniform

(a). An insulating sphere with radius a has a uniform charge density

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Q: In one experiment the electric field is measured for points at distances

In one experiment the electric field is measured for points at distances r from a uniform line of charge that has charge per unit length λ and length l, where l >> r. In a second experiment the electr...

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Q: At time t = 0 a proton is a distance of 0

At time t = 0 a proton is a distance of 0.360 m from a very large insulating sheet of charge and is moving parallel to the sheet with speed 9.70 × 102 m/s. The sheet has uniform surface charge density...

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Q: You are designing a Carnot engine that has 2 mol of CO2

You are designing a Carnot engine that has 2 mol of CO2 as its working substance; the gas may be treated as ideal. The gas is to have a maximum temperature of 527sC and a maximum pressure of 5.00 atm....

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Q: A small sphere with mass 4.00 × 10-6

A small sphere with mass 4.00 × 10-6 kg and charge 5.00 × 10-8 C hangs from a thread near a very large, charged insulating sheet (Fig. P22.33). The charge density on the surf...

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Q: An average sleeping person metabolizes at a rate of about 80 W

An average sleeping person metabolizes at a rate of about 80 W by digesting food or burning fat. Typically, 20% of this energy goes into bodily functions, such as cell repair, pumping blood, and other...

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Q: A solid conductor has a cavity in its interior. Would the

A solid conductor has a cavity in its interior. Would the presence of a point charge inside the cavity affect the electric field outside the conductor? Why or why not? Would the presence of a point ch...

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Q: A certain heat engine operating on a Carnot cycle absorbs 410 J

A certain heat engine operating on a Carnot cycle absorbs 410 J of heat per cycle at its hot reservoir at 135°C and has a thermal efficiency of 22.0%. (a). How much work does this engine do per cycle...

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