How are electromagnetic waves different from mechanical waves?
Question 1 options:
Elec...
Physics, 09.02.2021 20:00, Tyrant4life
How are electromagnetic waves different from mechanical waves?
Question 1 options:
Electromagnetic waves travel through water; mechanical waves can only travel through solid matter
Electromagnetic waves need a medium to travel through; mechanical waves do not
Electromagnetic waves are long chains of vibrating molecules; mechanical waves aren't
Electromagnetic waves can travel through empty space; mechanical waves can not
Answers: 1
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The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:
Answers: 1
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
Answers: 1
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