![subject](/tpl/images/cats/fizika.png)
Physics, 12.06.2020 17:57 nhester3378
A student uses an audio oscillator (sound source) of adjustable frequency to measure the depth of a water well. student oBserves resonance when the oscillator set tO 33.36 Hz And again at 42.88 Hz. No resonance is observed between these two frequencies. How tar below the opening of the well is the water level
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 18:00
According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:40
An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 13:30
6–48 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/kg·8c.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:00
Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not
Answers: 1
You know the right answer?
A student uses an audio oscillator (sound source) of adjustable frequency to measure the depth of a...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:50
![question](/tpl/images/cats/fizika.png)
Physics, 04.08.2019 18:50
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 04.08.2019 18:50
![question](/tpl/images/cats/biologiya.png)
Biology, 04.08.2019 18:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 18:50
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 18:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 18:50
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.08.2019 18:50
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 04.08.2019 18:50
![question](/tpl/images/cats/istoriya.png)
History, 04.08.2019 18:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 04.08.2019 18:50