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IceJOKER [234]
4 years ago
14

How is light being described?

Physics
1 answer:
Slav-nsk [51]4 years ago
7 0
Light is described as both wave as well particle because light behave as wave in phenomenon like diffraction, interference, refraction, Doppler effect, etc whereas it behave as a particle in phenomenon like photoelectric effect, etc. Hope this helps.
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a radio controlled car rolls 10 m south then reverses direction and rolls 8 m north the car traveled a distance of 18 m and has
EastWind [94]

The displacement is 2 m south

Explanation:

Distance and displacement are two different quantities:

  • Distance is the total length of the path covered by an object during its motion, regardless of the direction. It is a scalar quantity
  • Displacement is a vector connecting the initial position to the final position of motion of an object. The magnitude of the displacement is the distance in a straight line between the two points

For the car in this problem, the motion is:

10 m south

8 m north

Taking north as positive direction, we can describe the two parts of the motion as

d_1 = -10 m

d_2 = +8 m

Therefore,  the final position of the car with respect to the original position is

x_f = -10 + 8 = -2 m

which means 2 m south: so, the displacement of the car is 2 m south.

Learn more about  distance and displacement:

brainly.com/question/3969582

#LearnwithBrainly

5 0
3 years ago
To increase the brightness of a desk lamp, a student replaces a 50-watt incandescent lightbulb with a 100-watt incandescent ligh
swat32
From the formula for Electric Power, P = IV,    P = V²/R

So the 100W compared to the 50W.

From P = IV. From the equation there is a direct relationship between P and I.  More  Power P means more Current, I.

From P = V²/R. From the equation, there is an inverse relationship
between P and R. Therefore  more P means less R. 

So from these assertions, the answer is: 

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3 0
3 years ago
1. Which of the following transformations is an example of a β−-decay?
KatRina [158]

Answer:

1. C: 31/14 Si becomes 31/15 because a nuetron

2. A: 238  92U because the very long half-life means a very small rate of decay

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Explanation:

I just took the quick check. Enjoy the answers I did not get to have

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Here is my solution using my app.

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4 years ago
What do counties get their power from
SOVA2 [1]
Money, or dictatiorship, trading, something that involes with money
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4 years ago
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