In which situations is heat flow present? Check all that apply.
A substance feels warm.
One substance does not have a temperature.
Two substances have the same temperature.
One substance transfers some of its thermal energy to another substance.
Two substances differ in temperature.
Answers: 1
Physics, 22.06.2019 04:00, mathnation1
If steel is more dense that lake water, why can a boat float
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Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
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Physics, 22.06.2019 16:20, brittanysanders
What is the mass of the water that is being heated? it requires 2,500 joules to raise a certain amount of water (c = 4.186 jig c) from 20.0°c to 60.0°c. o 159 o 40 g o 63 g o 80 g
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In which situations is heat flow present? Check all that apply.
A substance feels warm.
...
A substance feels warm.
...
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