Physics, 11.12.2019 02:31 darkskinnednune
What is the rotational kinetic energy of the earth about the sun? assume the earth is a uniform sphere, mass of the earth is 5.97 x 10^24 kg, mass of the sun is 2.99x10^30 kg, radius of the earth is 6.37x10^3 km, radius of the sun is 6.96 x 10^5 km distance from the center of the sun to the center of the earth is 1.5x10^8 km
Answers: 1
Physics, 21.06.2019 20:10
Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic
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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.
Answers: 1
Physics, 22.06.2019 05:30
The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .
Answers: 3
Physics, 22.06.2019 09:50
Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.
Answers: 1
What is the rotational kinetic energy of the earth about the sun? assume the earth is a uniform sph...
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