Answers: 1
Physics, 22.06.2019 01:30
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
Physics, 22.06.2019 19:00
Which of the following list the divisions of the geologic time scale in order from longest to shortest
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Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 2
Como sabes cuando un objeto es más denso que otro...
Mathematics, 17.06.2020 04:57
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Mathematics, 17.06.2020 04:57
Mathematics, 17.06.2020 04:57