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Keith_Richards [23]
3 years ago
14

What causes changes of states in matter?

Physics
1 answer:
miv72 [106K]3 years ago
3 0
Changes in state of matter would be a physical change to whatever it is that you are changing so I think it would be B.Molecules because in order for something to change the molecules have to be moving apart from one another but I maybe wrong depending on what it is your looking at
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Answer:

The speed of the water is 14.68 m/s.

Explanation:

Given that,

Time = 30 minutes

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Using equation of motion

v^2=u^2+2gs

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Put the value into the formula

0=u^2-2\times9.8\times11.0

u=\sqrt{2\times9.8\times11.0}

u=14.68\ m/s

Hence, The speed of the water is 14.68 m/s.

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When observed from earth, the wavelengths of light emitted by a star are shifted toward the red end of the electromagnetic spect
Musya8 [376]

Answer:

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Explanation:

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