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sergeinik [125]
3 years ago
14

Define reversible change​

Physics
2 answers:
Vladimir79 [104]3 years ago
7 0

Answer:

A reversible change is a change that can be undone or reversed.

Explanation:

Nata [24]3 years ago
5 0

Answer:

Reversible changes are changes that can be undone or reversed. Melting, freezing, boiling, evaporating, condensing, dissolving and also, changing the shape of a substance are examples of reversible changes. If playback doesn't begin shortly, try restarting your device.

Explanation:

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What is the net force of a falling bowling ball that weighs 55 N and has 15 N of air resistance?
serg [7]

its 55 :) have a great day queen/king/whatever gender you are

3 0
3 years ago
Read 2 more answers
Which process causes the transfer of energy by air currents within the Earth's atmosphere?
ruslelena [56]

Answer:

Conduction, radiation and convection all play a role in moving heat between Earth's surface and the atmosphere. Since air is a poor conductor, most energy transfer by conduction occurs right near Earth's surface

8 0
3 years ago
Electromagnetic waves are not mechanical waves, which means they can<br> travel in a:
svet-max [94.6K]
<h3>Answer:</h3>

Vacuum

<h3>Explanation:</h3>

Concept being tested: Waves and types of waves

To answer the question we need to define both electromagnetic waves and mechanical waves.

  • Waves can be classified as either electromagnetic waves and mechanical waves based on whether they require a material medium for transmission or not.
  • Electromagnetic waves do not require a material medium for transmission and can travel through a vacuum.
  • Mechanical waves, on the other hand, are waves that require a material medium for transmission.

What are examples of electromagnetic waves and mechanical waves?

  • Examples of electromagnetic waves include gamma rays, radio waves, visible light, etc.
  • Examples of mechanical waves include sound waves and water waves.

Therefore, the answer to our question is;

  • Electromagnetic waves are not mechanical waves, which means they can travel in a vacuum.
4 0
4 years ago
If an object is rolling without slipping, how does its linear speed compare to its rotational speed?
RoseWind [281]

Answer:

v = rw

Explanation:

When an object is rolling continuously without slipping, then every angle it rotates through, is equal to a distance the perimeter has rotated.

If the object completes 10 revolutions and takes a particular time, let's say t to complete it. The angular distance would then be 20 π rad, while its angular velocity will be 20 π/t

The circumference will somehow translate to the distance it covers, which is 20πr, this means that the speed is 20πr/t

So, like the question asked, the linear speed compared to angular speed is

v : w

20πr/t : 20πt, which can be simplified to

r : 1

In essence, v = rw

3 0
4 years ago
Which of the followings are true about Vmax? A. The higher the [enzyme], the higher the Vmax B. Vmax is proportional to k2 C. Vm
Vera_Pavlovna [14]

Answer:

Correct answer is A.

The higher the enzyme, the higher the Vmax

Explanation:

Although, in the absence of enzyme, the rate of a reaction(Vmax) increase linearly with substrate concentration. The reaction rate is given as dp/dt.

The rate of a reaction involving enzyme also increases.

At low enzyme concentrations or high substrate concentrations, all of the available enzyme active sites could be occupied with substrates. Therefore, increasing the substrate concentration further will not change the rate of diffusion. In other words, there is some maximum reaction rate (Vmax) when all enzyme active sites are occupied. The reaction rate will increase with increasing substrate concentration, but must asymptotically approach the saturation rate, Vmax. Vmax is directly proportional to the total enzyme concentration, E

5 0
3 years ago
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