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joja [24]
3 years ago
13

What do radiant and sound energy have in common ?

Physics
1 answer:
Mrac [35]3 years ago
5 0
Both travel in waves caused by vibrations. Both can be reflected refracted, and diffracted.
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Which is true?
Andrew [12]

Answer:

e)  A changing magnetic field produces an electric field.

Explanation:

Ok, we start with a magnetic field and let's study how it affects the motion of a single electron. As the magnetic field changes, it will cause an electromotive force, that moves the electron, and because now we have a moving electron, now we will have an electric field. (Such that the direction of the electromotive force opposes the direction in which the magnetic field changes). This also can be deduced if we look at the third Maxwell's equation:

dE/dx = -dB/dt

This says that the spatial change in an electric field depends on how the magnetic field changes as time pass.

Then the correct option is e)  A changing magnetic field produces an electric field.

4 0
2 years ago
A girl runs once around a circular track with a radius of 100m at speed of 10m/s.
goblinko [34]

Answer:

0 m

Explanation:

Displacement is the shortest distance from one ppont to another. Here, the girl returns to the same spot after running. Hence, displacement is <u>0</u><u> </u><u>m</u>.

5 0
2 years ago
If an atom contains 13 protons, then it has (2.4)a.13 electrons. b. 26 electrons. c. 13 neutrons. d.26 neutrons.
Yuliya22 [10]

If an atom contains 13 protons, then it has <u>13 electrons.</u>

7 0
3 years ago
Two people are trying to pull a 5-kilogram block in opposite directions. The first person pulls to the right with a force of 25
klasskru [66]

TEST TEST TEST TEST TEST TEST TEST

7 0
3 years ago
If the sun suddenly ceased to shine, how long would it take earth to become dark? you will have to look up the speed of light in
sleet_krkn [62]
We are 8 light minutes from the sun. That means two things, we see the sun as it was 8 minutes ago, and we WOULD continue to see the sun for 8 minutes after it disappeared.
3 0
3 years ago
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