What is the frequency heard by a person driving at 15 m/s toward a factory whistle emitting a
...
Physics, 13.04.2020 20:48, naja101long
What is the frequency heard by a person driving at 15 m/s toward a factory whistle emitting a
frequency of 800. Hz? (speed of sound that day 340. m/s)
Answers: 1
Physics, 22.06.2019 13:30, Bra1nPowers
6โ48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kgยท8c.
Answers: 3
Physics, 23.06.2019 15:00, Zaayyyy
An experiment was performed on a 2-kg block. forces of 5, 10 and 15 newtons respectively were applied to the block for 5 seconds. describe the difference in acceleration between the three trials. a) the final accelerations will all be the same. b) the final acceleration will triple between the first and third trial. c) the final acceleration will be cut by 1/3 from the first to third trial. d) the final acceleration will increase nine time between the first and third trial.
Answers: 1
History, 10.01.2020 17:31
Biology, 10.01.2020 17:31
Mathematics, 10.01.2020 17:31
Physics, 10.01.2020 17:31
Mathematics, 10.01.2020 17:31