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sweet [91]
2 years ago
8

Describe how radio waves are different from sound waves.

Physics
2 answers:
Lilit [14]2 years ago
7 0

Answer:

sound and radio waves are completely different phenomena.

Explanation:

sammy [17]2 years ago
6 0
Radio waves are electromagnetic waves so therefore they can travel long distances in a vacuum. Sound waves are mechanical waves so they can’t not travel in the absence of a medium.
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5 0
3 years ago
A heater has resistance of 10 ohms. It operates at 120 volts. a. What is the current through the heater?​
Natali5045456 [20]

Answer:

  I = 12 A

Explanation:

For this exercise we use the relationship that voltage is proportional to the product of current and resistance

           V = I R

            I = V / R

             

let's calculate

            I = 120/10

            I = 12 A

4 0
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