Physics, 02.04.2020 20:05, charitysamuels
Chris pours hot coffee into a thermal cup with a closed lid. He opens the lid the next day and is disappointed to find the coffee at room temperature. What statement best describes this system?
A.) This is an open system because it was able to exchange energy with its surroundings
B.) This is an open system because it was able to exchange matter and energy with its surroundings
C.) This is a closed system because the heat energy changed to another form of energy within the system
D.) This is a closed system because it was able to exchange energy, but not matter, with its surroundings
Answers: 2
Other questions on the subject: Physics
Physics, 22.06.2019 06:00, quetzaliescalona
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 23.06.2019 01:40, gatorboy1788
The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
Answers: 1
Do you know the correct answer?
Chris pours hot coffee into a thermal cup with a closed lid. He opens the lid the next day and is di...
Questions in other subjects:
Mathematics, 10.11.2020 23:30
Mathematics, 10.11.2020 23:30
Physics, 10.11.2020 23:30
History, 10.11.2020 23:30
