3. What is the name given to the property for which objects resist changes in motion?
4....
Physics, 10.02.2020 02:14 iliketurtures
3. What is the name given to the property for which objects resist changes in motion?
4. A magician who is just learning tricks decides to pull a table cloth off a table without
destroying the arrangement of items on the table (ex. Flowers, plates, forks, etc.).
Describe why this works using information presented in class.
Answers: 1
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When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false
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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 springāmass 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 (ādark absorption linesā)? explain briefly.
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Physics, 22.06.2019 07:40
Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?
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Physics, 22.06.2019 09:00
A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped
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