Physics, 11.06.2021 22:00, bjpvrpow74wq
El paquete de 50 lb que se muestra en la figura parte desde el reposo, se desliza hacia abajo sobre la rampa y es detenido por el resorte. El coeficiente de fricción cinético entre el paquete y la rampa es μk = 0.12. Si se desea que el paquete llegue al reposo a pulgadas del punto de contacto, que valor debe tener la constante k del resorte?.
Answers: 2
Physics, 22.06.2019 00:20, alyvia05
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 08:00, jhanes1983
Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.
Answers: 2
El paquete de 50 lb que se muestra en la figura parte desde el reposo, se desliza hacia abajo sobre...
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