2 years ago

Hat is the processes called when matter, that is a liquid, transforms into a gas?

Physics

1 answer:

nirvana33 [79]2 years ago

8 0

Answer:

vaporization ,( Evaporation)

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1 B. Convert v from km/min to m/s ( show work and units

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What would happen if you drop and egg

dexar [7]

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It would crack.

Explanation: The pressure from dropping it would crush the eggshell therefore breaking the egg.

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1. It s defficult to lift a heavier stone than the lighter one. why

stiks02 [169]

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lThe effect of the attraction of the earth on a bigger stone can be observed more than the effect of attraction of the earth on a smaller one. hence it is difficult to lift a large stone than the smaller one on the earth surface.

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2 years ago

If the distance between two asteroids is halved, the gravitational force they exert on each other will

mamaluj [8]

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e) Be four times greater

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Here we have to use Newton's gravitational law that relates the gravitational force between two objects with their masses ( $m_{1}$ & $m_{2}$ ) and the distance between them ( $r$ ) in the next way:

$F=G\frac{m_{1}m_{2}}{r^{2}}$ (2)

Now if distance between asteroids is halved:

$F_{2}=G\frac{m_{1}m_{2}}{(\frac{r}{2})^{2}}$

$F_{2}=G\frac{m_{1}m_{2}}{\frac{r^{2}}{4}}$

$F_{2}=G\frac{4m_{1}m_{2}}{r^{2}}=4G\frac{m_{1}m_{2}}{r^{2}}$

Note that $G\frac{m_{1}m_{2}}{r^{2}}$ because (1) is F so:

$F_{2}=4F$

It's four times greater!

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2 years ago

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