Physics, 11.11.2019 07:31 samsavage4073
Asound signal traveling underwater has a frequency of 230 hertz. the speed of sound under water is 1.45 × 103 meters/second. what is the wavelength of the sound signal?
Answers: 2
Physics, 22.06.2019 16:00
At what time will the interfering waves have an amplitudeof zero?
Answers: 1
Physics, 22.06.2019 18:50
8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
Answers: 3
Asound signal traveling underwater has a frequency of 230 hertz. the speed of sound under water is 1...
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