![subject](/tpl/images/cats/fizika.png)
Physics, 13.12.2019 06:31 jackandryansis7337
Apipe 0.490 m long and closed at one end is filled with an unknown gas. the third lowest harmonic frequency for the pipe is 790 hz.
(a) what is the speed of sound in the unknown gas?
(b) what is the fundamental frequency for this pipe when it is filled with the unknown gas?
(a) number 374 units m/s
(b) number 257 units hz
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 13:40
Niobium forms a substitutional solid solution with vanadium. compute the number of niobium atoms per cubic centimeter for a niobium-vanadium alloy that contains 24 wt% nb and 76 wt% v. the densities of pure niobium and vanadium are 8.57 and 6.10 g/cm3, respectively
Answers: 1
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 20:30
Water at room temperature of 20.0°c is poured into an aluminum cylinder which has graduation markings etched on the inside. the reading in the graduations is 300.0 cc. the cylinder with the water in it is then immersed in a constant temperature bath at a temperature of 100°c. what is the reading for the level of water on the graduations of the cylinder after the water and the cylinder reach thermal equilibrium with the bath? the volume coefficient of expansion of water is 2.07 x 10^-4 k-1, and the linear coefficient of expansion of aluminum is 23.0 x 10^-6 k-1. a) 305.0 cc b) 304.0 cc c) 303.5 cc d) 303.3 cc e) 304.5 cc
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
You know the right answer?
Apipe 0.490 m long and closed at one end is filled with an unknown gas. the third lowest harmonic fr...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2021 22:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 18.10.2021 22:10
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2021 22:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2021 22:10
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 18.10.2021 22:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2021 22:10
![question](/tpl/images/cats/mat.png)
Mathematics, 18.10.2021 22:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Medicine, 18.10.2021 22:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 18.10.2021 22:10
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 18.10.2021 22:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/User.png)
SAT, 18.10.2021 22:10