![subject](/tpl/images/cats/fizika.png)
Physics, 29.04.2021 18:40 asenath6636
A student heated 20 Kg of water to a temperature of 80C. He then added an unknown mass of Kg of water at 15 C and the final steady temperature of the mixture is 40 C. Given that the specific heat capacity. of water is 4200J/kg degC, the unknown mass of 15C water is determined to be kg.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 02:00
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 02:50
What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:30
In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
You know the right answer?
A student heated 20 Kg of water to a temperature of 80C. He then added an unknown mass of Kg of wate...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 11.03.2021 05:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2021 05:20