![subject](/tpl/images/cats/fizika.png)
Physics, 17.12.2019 03:31 amandathompson1
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 ∘c and rejects heat to a room at a temperature of 20.3 ∘c. suppose that liquid water with a mass of 82.0 kg at 0.0 ∘c is converted to ice at the same temperature. take the heat of fusion for water to be lf = 3.34×105 j/kg .
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:00
An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm
Answers: 2
![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/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 18:00
According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.
Answers: 2
You know the right answer?
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid wa...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10
![question](/tpl/images/cats/en.png)
English, 13.01.2021 09:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10
![question](/tpl/images/cats/health.png)
Health, 13.01.2021 09:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 13.01.2021 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 13.01.2021 09:10