Physics, 27.09.2019 03:00 jlayne0605
Apoint charge with charge q1 = 4.00 μc is held stationary at the origin. a second point charge with charge q2 = -4.40 μc moves from the point ( 0.155 m , 0) to the point ( 0.245 m , 0.270 m ). how much work w is done by the electric force on the moving point charge?
Answers: 3
Physics, 22.06.2019 07:30
Some material consisting of a collection of microscopic objects is kept at a high temperature. a photon detector capable of detecting photon energies from infrared through ultraviolet observes photons emitted with energies of 0.3 ev, 0.5 ev, 0.8 ev, 2.0ev, 2.5ev, and 2.8ev. these are the only photon energies observed. (a) draw and label a possible energy-level diagram for one of the microscopic objects, which has four bound states. on the diagram, indicate the transitions corresponding to the emitted photons. explain briefly. (b) would a spring–mass model be a good model for these microscopic objects? why or why not? (c) the material is now cooled down to a very low temperature, and the photon detector stops detecting photon emissions. next, a beam of light with a continuous range of energies from infrared through ultraviolet shines on the material, and the photon detector observes the beam of light after it passes through the material. what photon energies in this beam of light are observed to be significantly reduced in intensity (“dark absorption lines”)? explain briefly.
Answers: 3
Physics, 22.06.2019 09:30
For this car, predict the shape of a graph that shows distance (x) versus time (t). note that time is the independent variable and will be on the bottom axis. need asap
Answers: 1
Physics, 22.06.2019 12:00
What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?
Answers: 1
Physics, 22.06.2019 16:30
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
Apoint charge with charge q1 = 4.00 μc is held stationary at the origin. a second point charge with...
Mathematics, 01.09.2021 21:00
Mathematics, 01.09.2021 21:00
Business, 01.09.2021 21:00
History, 01.09.2021 21:00
Mathematics, 01.09.2021 21:00
Biology, 01.09.2021 21:00
Mathematics, 01.09.2021 21:10
Biology, 01.09.2021 21:10
Mathematics, 01.09.2021 21:10
Mathematics, 01.09.2021 21:10
Geography, 01.09.2021 21:10
Mathematics, 01.09.2021 21:10
Mathematics, 01.09.2021 21:10
Mathematics, 01.09.2021 21:10
Mathematics, 01.09.2021 21:10