Physics, 15.01.2020 17:31 donaldplawlerp5cctt
Acello plays a c# note with a frequency of 277.2 hz. if the speed of sound in air is 343 m/s, what is the
wavelength of this note?
Answers: 1
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What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.
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True or false graphs must include scales that increase by the same amount
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Physics, 22.06.2019 12:20
Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?
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Acello plays a c# note with a frequency of 277.2 hz. if the speed of sound in air is 343 m/s, what i...
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