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How are electromagnetic waves are different than mechanical waves?
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a. electromagnetic waves are self-propagating and mechanical waves are not.
b. electromagnetic waves require a medium to travel and mechanical waves do not.
c. electromagnetic waves do not require a medium and mechanical waves do require a medium to travel.
d. electromagnetic waves are always transversal, while mechanical waves can be transverse, longitudinal, or torsional.
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Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?
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Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
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The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f
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An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?
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How are electromagnetic waves are different than mechanical waves?
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select all that apply.
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