Physics, 21.12.2019 05:31, naimareiad
There are two types of waves, mechanical and electromagnetic. microwaves, infrared, and radio was are examples of electromagnetic waves. which statement is true about the speed of an electromagnetic wave?
a) it is not affected by changes in media.
b) it is slower in a vacuum than in a medium.
c) in a vacuum, its speed equals half the speed of light.
d) it slows down when it goes from a vacuum to a medium.
Answers: 2
Physics, 22.06.2019 00:30, aseel667789
Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine
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Physics, 22.06.2019 02:20, Hellokittyjam35
Which changes of state do the labels represent? a: b: c:
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Physics, 22.06.2019 17:30, giraffegurl
Distinguish between linear momentum and angular momentum
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