Physics, 17.10.2019 22:30 harleyandpope90
Acrane used 900 n of force to lift a load 100 m. how much work did the crane do?
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Natural forces that can alter ecosystems include seasons and climate changes. t or f
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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, 23.06.2019 02:10
The molecular mass of a gas is (select all that apply) a. independent of the type of gas b. the same number as the atomic (or molecular) mass, but measured in grams c. dependent on the temperature d. the mass of a mole of the gas
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Physics, 23.06.2019 03:30
An object is kept at 45 m high and how much time will it take to reach the ground
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Acrane used 900 n of force to lift a load 100 m. how much work did the crane do?...
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