Physics, 21.01.2020 06:31 shadowgirl1213
Aslide whistle is an open-closed tube with an adjustable plunger that changes the length. you are playing the slide whistle and pushing the plunger in at 8 cm/s when the tube is 15 cm long. what is the rate of change of the sound in hz/s?
Answers: 3
Physics, 22.06.2019 02:50
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 04:10
An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?
Answers: 2
Aslide whistle is an open-closed tube with an adjustable plunger that changes the length. you are pl...
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