Physics, 11.12.2019 03:31 Tcareyoliver
The first excited state of a mercury atom is above the ground state. a moving electron collides with a mercury atom, and excites the mercury atom to its first excited state. immediately after the collision the kinetic energy of the electron is . what was the kinetic energy of the electron just before the collision?
Answers: 1
Physics, 21.06.2019 14:40, mt137896
Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?
Answers: 2
Physics, 22.06.2019 20:30, aliviafrancois2000
We will use a video to study faraday’s law of electromagnetic induction by analyzing the induction that occurs due a coil of copper wire sliding along an air track that passes through an external magnetic field. specifically, we will: examine some of the main principles behind faraday’s law. apply lenz’s law to determine the direction of the induced emf. take measurements of the induced emf from the voltmeter as the coil passes into and out of the external magnetic field. use the horizontal scale provided to determine the speed of the coil. calculate the magnetic field induced in the coil as it passes into and out of the external magnetic field.
Answers: 2
The first excited state of a mercury atom is above the ground state. a moving electron collides with...
Mathematics, 24.07.2019 16:00
Mathematics, 24.07.2019 16:00
Mathematics, 24.07.2019 16:00
Mathematics, 24.07.2019 16:00
Geography, 24.07.2019 16:00
Mathematics, 24.07.2019 16:00