Physics, 01.10.2019 03:30 mercedesamatap21hx0
Asolid metal sphere of radius a = 2.5 cm has a net charge qin = - 3 nc (1 nc = 10-9c). the sphere is surrounded by a concentric conducting spherical shell of inner radius b = 6 cm and outer radius c = 9 cm. the shell has a net charge qout = + 2 nc. what is v0, the electric potential at the center of the metal sphere, given the potential at infinity is zero? v0 =
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Physics, 22.06.2019 00:20
Suppose that an electromagnetic wave which is linearly polarized along the x−axis is propagating in vacuum along the z−axis. the wave is incident on a conductor which is placed at z > 0 region of the space. the conductor has conductivity σ, magnetic permeability µ and electric permittivity ε. (a) find the characteristic time for the free charge density which dissipates at the conductor. (b) write the maxwell equations and derive the wave equation for a plane wave propagating in a conductor. (c) find the attenuation distance at which the incident amplitude reduces to e ^−1 of its initial value. (d) find the electric and magnetic fields inside the conductor. 8 (e) find the power loss per area of the incident electromagnetic wave at the surface of conductor.
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Physics, 22.06.2019 03:00
An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d
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Physics, 22.06.2019 04:30
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
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Physics, 22.06.2019 13:00
4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?
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Asolid metal sphere of radius a = 2.5 cm has a net charge qin = - 3 nc (1 nc = 10-9c). the sphere is...
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