Physics, 04.02.2021 01:50 benwill0702
Do two magnets create magnetic force fields that allow them to interact without touching?
Answers: 2
Physics, 22.06.2019 00:20
Suppose that an electromagnetic wave which is linearly polarized along the xâaxis is propagating in vacuum along the zâaxis. the wave is incident on a conductor which is placed at z > 0 region of the space. the conductor has conductivity Ï, magnetic permeability ” and electric permittivity Δ. (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 ^â1 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.
Answers: 1
Physics, 22.06.2019 13:40
Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?
Answers: 1
Physics, 22.06.2019 14:40
On a geologic map, if the contacts between sedimentary rock units form a bullâs-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)
Answers: 3
Physics, 23.06.2019 02:00
How does changing the frequency affect the energy of the wave?
Answers: 3
Do two magnets create magnetic force fields that allow them to interact without touching?...
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