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Physics, 21.06.2019 22:00, greenclonetroop6q2tg
Arock collection comes from which part of earth?
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Physics, 22.06.2019 01:30, markmeinberg
Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz
Answers: 3
5 kg block of iron is heated to 800°C. It is placed in the tub containing 2 L of water at 15°C. Assu...
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