Physics, 08.12.2020 22:10 SKYBLUE1015
There are two questions. Put your answers as two letters such as A and A or C and A if you don't know the answer to both just let me know which one you do know the answer to. Thank you.
Which best describes convection?
A It relies on the collision of particles within or between substances.
B It occurs in solids, liquids, or gases that are heated.
C It results when portions of a liquid cool and rise.
D It is driven by temperature differences within a fluid.
And...
A thermogram of a house shows high amounts of thermal energy around the windows but not around the roof. Which conclusion is best supported by the thermogram?
The windows take in a lot of solar radiation.
The roof takes in a lot of solar radiation.
The windows are not energy efficient, but the roof is.
The roof is not energy efficient, but the windows are.
Answers: 3
Physics, 21.06.2019 21:30
Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
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Physics, 21.06.2019 22:30
The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
Answers: 2
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
Answers: 1
There are two questions. Put your answers as two letters such as A and A or C and A if you don't kno...
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