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enyata [817]
3 years ago
9

How do electromagnetic waves differ from mechanical waves?

Physics
1 answer:
nekit [7.7K]3 years ago
6 0

electromagnetic waves do not need any medium to travel but mechanical waves require a medium to travel regardless the state of matter that it is in (solid, liquid, gas)

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? Question
Harrizon [31]

No Solution:

4x+10y = 40

2x + 5y = 40

2x - 8y=17

x - 4y = 7

One Solution:

2y - X= 12

2y - 2x =10

x + 10y =50

2x + 10y =90

Infinitely Many Solutions:

x + 2y = 1

3x + 6y= 3

2y - 3x = 5

2/5y -3/5x =1

Explanation: You only had 11 equations listed. But I believe these are the ones you want. I took the test and got them right. Hope it helps

3 0
3 years ago
HELP?!
svetoff [14.1K]

Answer is the highest temperature, so D

Higher temperatures allow for sound to move faster, since the molecules vibrate faster, sound waves can travel more quickly. The speed of sound in room temperature air is 346 meters per second. This is faster than 331 meters per second, which is the speed of sound in air at freezing temperatures.

Neat little fact: This is also why in the winter when there is snow on the ground, it seems more peaceful and quite. The snow absorbs the sound waves and the temperature makes them not travel as fast, getting more quite as they go.

6 0
4 years ago
Read 2 more answers
In your own words, explain what friction is
Andrew [12]

Answer:

Friction is a kind of force between two object when we rub or slide its surfaces together

for ex: when you rub the matchbox you get fire which is the result of friction

Explanation:

thats all i know

3 0
2 years ago
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A diverging mirror is .................
lyudmila [28]
Is there a multiple choice?
5 0
4 years ago
Gravity and magnetism are both
ella [17]

Answer:

Explanation:

Comment

You have to read this carefully enough that you don't mix up energy and forces.

Gravity is a force. If you don't believe me try jumping off a building. Which way are you going to go and why? Down because gravity attracts your mass.

So Magnetism must be a force as well. It acts in one direction, but not a specific one the way gravity acts). It also either attracts or repulses (pushes an object away)

Answer A

3 0
2 years ago
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