Physics, 14.10.2019 20:00 sassy11111515
Which statement about electromagnetic waves is true?
a. electromagnetic waves require a medium to travel.
b. electromagnetic waves don't require a medium to travel.
c. the particles of the medium through which electromagnetic waves travel vibrate perpendicularly to the direction of the wave.
d. the particles of the medium through which electromagnetic waves travel vibrate parallel to the direction of the wave.
Answers: 3
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A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?
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Which statement about electromagnetic waves is true?
a. electromagnetic waves require a mediu...
a. electromagnetic waves require a mediu...
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