Physics, 16.03.2022 14:00 brittainpolk453
7. (S) How fast is the speed of sound if you hear thunder 5.0 seconds after you see the lightning and the storm is 1.55 km away?
Answers: 1
Physics, 22.06.2019 15:40
Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
Physics, 22.06.2019 19:30
The nuclear potential that binds protons and neutrons in the nucleus of an atom is often approximated by a square well. imagine a proton conned in an innite square well of length 105 nm, a typical nuclear diameter. calculate the wavelength and energy associated with the photon that is emitted when the proton undergoes a transition from the rst excited state (n 2) to the ground state (n 1). in what region of the electromagnetic spectrum does this wavelength belong?
Answers: 1
Physics, 23.06.2019 03:50
Asimple electrochemical cell contains two electrodes? t or f
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7. (S) How fast is the speed of sound if you hear thunder 5.0 seconds after you see the lightning an...
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