Physics, 20.09.2019 13:00 queengenni
You want to create a spotlight that will shine a bright beam of light with all of the light rays parallel to each other. you have a large concave spherical mirror and a small lightbulb. where should you place the lightbulb?
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Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?
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Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
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Physics, 22.06.2019 14:30
Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
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You want to create a spotlight that will shine a bright beam of light with all of the light rays par...
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