Which best describes how heat changes the state of a substance?
Out of these answers
He...
Physics, 26.03.2021 22:40 asorrell5075
Which best describes how heat changes the state of a substance?
Out of these answers
Heat destroys the molecules in a substance.
Heat steals the molecules from cold substances.
Heat absorbs the molecules of a substance and releases them once they cool.
Heat causes the molecules of a substance to spread out into a new arrangement.
Answers: 2
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If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =
Answers: 1
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Which accurately compares concave and convex lenses?
Answers: 2
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You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
Answers: 2
Physics, 22.06.2019 16:40, dylan6981
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
Answers: 3
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