Physics, 11.11.2019 21:31, thechameleonnaire
A0.100-ma electron beam with kinetic energy 54.0 ev enters a sharply defined region of lower potential where the kinetic energy of the electrons is increased by 10.0 ev. what current is reflected at the boundary? (this simulates electron scattering at normal incidence from a metal surface, as in the davisson–germer experiment.)
Answers: 3
Physics, 22.06.2019 05:30, kolibeilfuss
What is the most useful equation for electric power?
Answers: 3
Physics, 22.06.2019 05:50, gabigraceberg
High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.
Answers: 3
Physics, 22.06.2019 16:30, amayareyes101
Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
A0.100-ma electron beam with kinetic energy 54.0 ev enters a sharply defined region of lower potenti...
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