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Physics, 22.06.2019 16:30
The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db
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Physics, 22.06.2019 17:50
Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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Physics, 23.06.2019 01:00
Are formed where bumps from two surfaces come into contact ?
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Physics, 23.06.2019 07:30
5. why should the electrons be placed separate from each other (why not together)?
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A 2250 kg truck has a velocity of 25 m/s to the east. What is the momentum of the truck? p = mv...
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