3 years ago

Within a vacuum, the property to all electromagnetic waves is their WHAT?

1 answer:

6 0

The electromagnetic spectrum. Electromagnetic waves carry transverse vibrations in electrical and magnetic fields, not vibrating particles. Electromagnetic waves do not need matter to travel through - they can travel through empty space AKA a vacuum

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Which chemical equation correctly shows the formation of water from hydrogen

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A secret agent is locked in a room. He pushes against the door but cannot open it. Finally, he falls to the floor exhausted. Has

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Answer: There is not work done at the door because the door did not move.

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W = F*D

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2 years ago

A stationary boat in the ocean is experiencing waves from a storm. the waves move at 56 km/h and have a wavelength of 160 m, bot

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The wavelength $\lambda$ of the wave is 160 m, and this is the distance between two consecutive crests. The boat is located at a crest of the wave, this means that the first trough is located 80 meters from the boat (because the distance between a crest and a trough is half the wavelength).

The speed of the wave is
$v=56 km/h = 15.6 m/s$
so the time the boat takes to reach the first trough is
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3 years ago