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Tanzania [10]
3 years ago
13

Light refracts due to a change in ________

Physics
1 answer:
Nonamiya [84]3 years ago
7 0

The answer is b) Speed.

Light refracting is the just the change of direction of the light. And the change of direction in the light is caused by the change in speed.

An example of this would be when light travels into the water. When light hits the water it slows down, causing a change in speed and ultimately changing the direction, causing a light refraction to occur.

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How do I find the speed of sound when given Frequency and displacement?
IceJOKER [234]

Answer: Taking into account sound is a wave, we can use the information of the displacement (generally given as a graph) to find the wavelength and frequency, then we can calculate the speed with the formula of the speed of a wave.

Explanation:

If we have the displacement graph of the sound wave, we can find its amplitude, its wavelength and period (which is the inverse of frequency).

Now, if we additionally have the frequency as data, we can use the equation of the speed of a wave:

s=\lambda f

Where:

s is the speed of the sound wave

\lambda is the wavelength

f is the frequency

3 0
3 years ago
Which describes an object’s velocity that changes by the same amount each second?
Grace [21]
The answer is constant acceleration.
7 0
3 years ago
Read 2 more answers
Moustapha jones drives east at 100km/hr for 3 hours then back west at 80km/hr for 1.5 hours. which pair of answers gives his ave
olya-2409 [2.1K]

The average speed of the car is 93.33 km/hr and the average velocity of the car is 40 km/hr.

The total distance cover in east direction is=100*3=300 km

The total distance cover in the west direction=80*1.5=120 km

The total distance covered is =300+120=420 km

And Total displacement of the car is =300-120=180 km

As we know that the average speed is given as

Avg Speed =Total Distance / Total time

=420/4.5=93.33 km/hr

As we know that the average velocity is given as

Avg Speed =Total Displacement/ Total time

=180/4.5=40 km/hr

Therefore, The average speed of the car is 93.33 km/hr and the average velocity of the car is 40 km/hr.

7 0
3 years ago
When a liquid is cooled, the kinetic energy of the particles ?
vodka [1.7K]
When a liquid is cooled, the kinetic energy of the particles, DECREASES..
4 0
3 years ago
How much work is done when you lift a 5kg bag of groceries 1.5 m?
olga55 [171]

Answer:

7.5J

Explanation:

5x1.5=7.5

8 0
3 years ago
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