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Physics, 12.08.2021 06:20, daphnewibranowsky
List three types of actions that can contribute to a sustainable world
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Physics, 22.06.2019 03:00, iyanistacks50
Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f
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Physics, 22.06.2019 16:50, JeroMii
Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s. part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
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Physics, 22.06.2019 19:30, cecelia090
Another word for electromagnetic energy is a. heat b. force c. matter d. radiation
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Physics, 23.06.2019 01:30, ana2896
Hydroelectricity provides about 7 percent of the electricity generated in the united states. (a) explain how a hydroelectric power plant converts energy stored in water into electricity. (b) identify two factors that determine the amount of electricity that can be generated by an individual hydroelectricity power plant. (c) describe the two main types of land-based hydroelectric power plants. (d) describe two economic advantages and two environmental disadvantages of hydroelectricity.
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