Physics, 26.10.2019 01:43 KassandraVillegas
"which of the following statements about electrons is not true?
a) electrons orbit the nucleus rather like planets orbiting the sun.
b) within an atom, an electron can have only particular energies.
c) electrons can jump between energy levels in an atom only if they receive or give up an amount of energy equal to the difference in energy between the energy levels.
d) an electron has a negative electrical charge.
e) electrons have very little mass compared to protons or neutrons
Answers: 1
Physics, 21.06.2019 17:50
The slotted link is pinned at o, and as a result of rotation it drives the peg p along the horizontal guide. compute the magnitude of the velocity and acceleration of p along the horizontal guide. compute the magnitudes of the velocity and acceleration of p as a function of θ if θ=(3t) rad, where t is measured in seconds.
Answers: 1
Physics, 22.06.2019 11:00
A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?
Answers: 3
"which of the following statements about electrons is not true?
a) electrons orbit the nucle...
a) electrons orbit the nucle...
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