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mixer [17]
4 years ago
14

What determines the allowed time of existence for a virtual particle?

Physics
1 answer:
Makovka662 [10]4 years ago
4 0

Answer:

A. tiem energy uncertainty relation

Explanation:

The virtual particle can be defined as a transient quantum fluctuation what exhibits some characteristics of the ordinary particle .

<u> This concept arises in perturbation theory of quantum field theory. </u>

<u> It is used to describe interactions between ordinary particles. </u>

<u> Its existence is limited by the uncertainty principle. </u>

<u />

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a car travels at 50 m/s for first 20 seconds , 30 m/s for next 30 seconds and finally 20 m/s for next 10 seconds . find its aver
kaheart [24]

The average speed traveled by car is 35m/s.

1^{st} case

  • Speed=50m/s\\
  • Time =20s

       Distance = speed*time= 50*20=1000m

2^{nd} case

  • Speed=30m/s
  • Time=30s

       Distance=30*30=900m

3^{rd} case

  • Speed=20m/s
  • Time=10s

       Distance=20*10=200m

Now, The total distance=(1000+900+200)m=2100m

        Total time=(20+30+10)s=60s

       Average distance =\frac{total distance}{total time} = \frac{2100}{60}=35m/s

To learn more about Average speed, refer to:

  • brainly.com/question/21097620

3 0
2 years ago
Which describes a p-type semiconductor?
Digiron [165]
It has holes (an electron deficiency).
6 0
3 years ago
Read 2 more answers
The tire on this drag racer is severely twisted: The force of the road on the tire is quite large(most likely several times the
Gre4nikov [31]

Answer: Speeding Up

Explanation:

Force is proportional to the acceleration of an object. The greater the force, the more acceleration will be produced.

When the force on the tire is equal to the weight of the car, the car is reaching a stability as a result of increase in motion.

But when the force of the load on the tire is quite large(most likely several times the weight of the car) and is directed forward, then, the car is at high speed.

6 0
4 years ago
Interrelationship between health population and environment education and Science and Technology​
S_A_V [24]

Answer:

Answer: Science and technology are relatively modern developments. For most of the past 50,000 years of civilization, there was religion, dogma, ritual an tradition. These kept civilization safe but prevented growth.

After the modern scientific method was developed during the Rennaisance, civil action took off.

Health, as expressed as life expectancies, has increased massively. Population growth has increased to levels thought impossible before. But yes, the environment has suffered.

8 0
4 years ago
A device that detects small current differences and prevents electrocution that is often required as a safety measure for bathro
choli [55]

A device that detects small current differences and prevents electrocution that is often required as a safety measure for bathroom, kitchen, and exterior outlets is referred to as: Ground-fault interrupter.

<h3>What are arc-fault circuit interrupter?</h3>

According to "Article 100 Arc-Fault Circuit interrupter (AFCI)," arc-fault circuit interrupter is an electrical device which is designed and developed to deenergize the electrical circuit whenever it detects and recognizes characteristics unique to arcing.

Similarly, a ground-fault interrupter simply refers to an electrical device that is designed and developed for the detection of small current differences in an electrical circuit.

The main purpose of a ground-fault interrupter is to prevent electrocution or electrical shock and as such, it is an important safety measure for the following areas in a building:

  • Bathroom
  • Kitchen
  • Exterior outlets

Read more on ground-fault interrupter here: brainly.com/question/12615861

#SPJ1

7 0
1 year ago
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