Which statement describes a way electromagnetic waves are different from mechanical waves?
a....
Which statement describes a way electromagnetic waves are different from mechanical waves?
a. electromagnetic waves can travel only through matter.
b. electromagnetic waves can carry energy over a distance.
c. electromagnetic waves can transfer matter through empty space.
d. electromagnetic waves can travel through empty space.
Answers: 2
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Aphysical change is a change in the size, shape,, or stafe of matter true or false
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1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
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