2 years ago

What change happens when matter changes states?

1 answer:

4 0

Matter either loses or absorbs energy when it changes from one state to another. For example, when matter changes from a liquid to a solid, it loses energy. The opposite happens when matter changes from a solid to a liquid. For a solid to change to a liquid, matter must absorb energy from its surroundings.

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Vsevolod [243]

Answer:

anions

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The slope of the line on a speed-time graph tells the speed , true or false ?

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the answer is most likely D

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3 years ago

A construction worker is carrying a load of 40 kg over his head and is walking at a constant velocity if he travels a distance o

Anastasy [175]

Answer:

W = 0

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We are given with, a construction worker is carrying a load of 40 kg over his head and is walking at a constant velocity. He travels a distance of 50 m.

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3 years ago