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muminat
2 years ago
6

Best definition of an electromagnetic wave?

Physics
1 answer:
Basile [38]2 years ago
3 0

Answer:

Longitudinal and mechanical waves require a medium to support their transmission:

C) is the correct answer

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The charge on the moving particle
5 0
3 years ago
Which method can be used for separating a mixture of sand and salt?
Veronika [31]
Answers A and C can be automatically eliminated because evaporation has to do with the water cycle and magnetism has to do with electric current and such. Next we can eliminate B or distillation because it also has to do with water/liquids. Therefore, the answer is D or filtration because it is the only answer left.

I hope this helps!
6 0
2 years ago
Read 2 more answers
The electric force between two charges A. increases with distance between the charges B. increases if either one of charges gets
beks73 [17]

Answer:

Option (A) , (b) and (d) are correct option

Explanation:

According to Coulomb's law electric force between two charges is given by

F=\frac{1}{4\pi \epsilon _0}\frac{q_1q_2}{r^2}

From the relation we can say that force is directly proportional to magnitude of charges and inversely proportional to distance between them '

So if we increase the distance then force will decrease

Increase if any of the charge get larger

If force is attractive then both the charge will be of different sign and is force is repulsive then both the charges of same sign

From above conclusion we can say that (a), (b) and (d) are correct option

6 0
3 years ago
People with good hearing can perceive sounds as low in level as −7.53 dB at a frequency of 3000 Hz. What is the intensity of thi
lora16 [44]

Answer:

attached below

Explanation:

3 0
3 years ago
Please help quickly!
Naddik [55]

Answer:

○ D

Explanation:

A resistor is a passive electrical component that uses a circuit element with electric resistance. Resistors are used in electronics for reducing current flow, changing signal rates, dividing voltages, biasing active components, and terminating columns, among other applications.

I am joyous to assist you anytime.

7 0
2 years ago
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