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Mnenie [13.5K]
3 years ago
15

How does adding energy to matter by heating it affect the energy of its particles

Physics
1 answer:
a_sh-v [17]3 years ago
6 0
When heat is added to a substance the molecules and atoms vibrate faster. As atoms vibrate faster , the space between atoms increases. The motion and spaceing of the particles determines the state of matter of the substance.
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Define Wavelength<br> please and quick thx!
Nitella [24]

Wavelength is defined by Velocity of the wave by Frequency

Symbolically

\\ \ast\bull\rm\longmapsto \lambda=\dfrac{c}{v}

  • C is speed of wave
  • v is frequency
  • lambda is wavelength
4 0
3 years ago
Read 2 more answers
A 0.412 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plun
AveGali [126]

Answer:

108.18 m/s2

Explanation:

1 atm = 101325 Pa

r = 7.41 mm = 0.00741m

Since the pressure is increased by a factor of 2.55, the new inner pressure inside the system would be

P = 101325 * 2.55 = 258378.75 Pa

This pressure exerts a force on the metal cylinder, knowing the radius, we can calculate the cross-section area:

A = \pi r^2 = \pi 0.00741^2 = 0.0001725 m^2

Then the force exerted:

F = A*P = 0.0001725*258378.75 = 44.57 N

Finally we can calculate the initial acceleration in accordance with Newton's 2nd law of motion:

a = F/m = 44.57 / 0.412 = 108.18 m/s^2

7 0
3 years ago
During which changes of state do atoms that cannot move past one another become free to move
Grace [21]

Answer:

The correct answer is from solid to liquid (melting), and from liquid to gas (sublimation).

Explanation:

In the solid-state the energy of the molecules is low, so the molecules will have very little movement. In the liquid state, molecules have a higher level of energy, and as they move from solid to liquid state they acquire greater mobility. In a gaseous state, the energy level is very high and the molecules have a higher degree of mobility.

This can also be described through the predominant molecular forces in each state. The cohesion forces present in solids are stronger than those of repulsion. In the liquid state, the repulsion and attraction forces are balanced. Finally, in the gaseous state, the repulsive forces between the molecules predominate.  

Have a nice day!

4 0
3 years ago
A dolphin swims 1.85 km/h. How far has the dolphin traveled after .60 h?
solong [7]
1.85 km every hour x 0.60 hours

1.85 x 0.6 = 1.11


The dolphin traveled 1.11 km.
8 0
3 years ago
4.
Karolina [17]
<h2>Carry energy</h2>

- - - - - - - - - - - - - - - - - - - - - - -

Hope this helped :)

~pinetree

5 0
2 years ago
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