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I am Lyosha [343]
3 years ago
10

Describe what happens at the molecular level when a substance boils

Physics
1 answer:
mote1985 [20]3 years ago
7 0
When a substance boils the molecules within the substance move faster and farther apart, meaning (depending on the current matter state of the substance) molecules will go into more liquid and gaseous states
solid----> liquid ----> gas 
In the case of something boiling the substance goes from liquid to gas due to the increased molecular activity because to heat...
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A 1.2 kg hammer slams down on a nail at 5.0 m/s and bounces off at 1.0 m/s. If the impact lasts 1.0 ms, what average force is ex
Delvig [45]

Answer:

Explanation:

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FΔt = mΔV

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If we assume upward is the positive direction

F = m(vf - vi)/t

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7 0
2 years ago
A small 12.00 g plastic ball is suspended by a string in a uniform, horizontal electric field. If the ball is in equilibrium whe
notsponge [240]

Answer:

Q = \frac{0.068}{E}

where E = electric field intensity

Explanation:

As we know that plastic ball is suspended by a string which makes 30 degree angle with the vertical

So here force due to electrostatic force on the charged ball is in horizontal direction along the direction of electric field

while weight of the ball is vertically downwards

so here we have

QE = F_x

mg = F_y

since string makes 30 degree angle with the vertical so we will have

tan\theta = \frac{F_x}{F_y}

tan30 = \frac{QE}{mg}

Q = \frac{mg}{E}tan30

Q = \frac{0.012\times 9.81}{E} tan30

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5 0
3 years ago
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Answer:

Should be moving away

Explanation:

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I believe the answer you are looking for is perception.

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