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A hollow spherical conductor, carrying a net charge +Q, has inner radius r[1] and outer radius r[2] = 2r[1]. At the center of the sphere is a point charge +Q/2. (a) Write the electric field strength E in all three regions as a function of r. Then determine the potential as a function of r, the distance from the center for (b) r>r[2], (c) r[1]<r<r[2], and (d) 0<r<r[1]. (e) Plot both V and E as a function of r from r = 0 to r = 2r[2].
Light of wavelength 571 nm incident on a pair of slits produces an interference pattern on a distant screen in which the separation between adjacent bright fringes at the center of the pattern is 0.571 cm. A second light source, when incident on t..
A rifle with a weight of 40 N fires a 4.5-g bullet with a speed of 270 m/s. If a 775-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle
A sound wave in our classroom has speed of 380 m/s. There is a speaker at each end of the table that has 4.0 m length. What is the minimum phase difference between the waves arriving to you from the two speakers
a person whose weight is W = 658 N doing push-ups. Find the normal force exerted by the floor on each hand
A spherical 0.34 kg orange, 2.0 cm in radius, is dropped from the top of a building of height 33 m. After striking the pavement, the shape of the orange is a 0.40 cm thick pancake. Neglect air resistance and assume that the collision is completely in..
When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.10 x 10^3 J. By how much does the potential energy of a(n) 20 kg child increase when the child climbs a norma..
A stationary detector sends out a sound wave of frequency 0.315 MHz toward an approaching car. What is the frequency of the waves reflected back to the detector
A piano tuner stretches a steel piano wire with a tension of 1040N . The wire is 0.400m long and has a mass of 3.90g. What is the frequency of its fundamental mode of vibration
A proton accelerates from rest in a uniform electric field of 625 N/C. At one later moment, its speed is 1.25E+06 m/s. Over what time interval does the proton reach this speed
An electron entered a parallel-plate capacitor with the speed 5x10^5 m/s horizontally. What is the distance traveled by the electron along its initial direction between the capacitor plates
A railroad freight car weighing 289 kN and traveling at 1.52 m/s overtakes one weighing 207 kN and traveling at 0.910 m/s in the same direction. Find the loss of kinetic energy during collision
Which medical diagnostic methods require using a nuclear reactor or an accelerator?
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