Physics, 04.08.2019 04:30 pankajyadav7402
Why are wind hydroelectic and geothermal energy resources not suitable for providing energy worldwide?
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What happens when a rubber rod is rubbed with a piece of fur?
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Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.
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Physics, 22.06.2019 16:50
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.
Answers: 2
Why are wind hydroelectic and geothermal energy resources not suitable for providing energy worldwid...
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