What is the motion of the particles in this kind of wave?
a. the particles will move up...
What is the motion of the particles in this kind of wave?
a. the particles will move up and down over large areas.
b. the particles will move up and down over small areas.
c. the particles will move side to side over small areas.
d. the particles will move side to side over large areas.
Answers: 2
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In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than
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Aphysical change is a change in the size, shape,, or stafe of matter true or false
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Arunner is jogging at a steady 3.6 km/hr. when the runner is 2.9 km from the finish line, a bird begins flying from the runner to the finish line at 14.4 km/hr (4 times as fast as the runner). when the bird reaches the finish line, it turns around and flies back to the runner. even though the bird is a dodo, we will assume that it occupies only one point in space, i.e., a zero-length bird. how far does the bird travel? (b) after this first encounter, the bird then turns around and flies from the runner back to the finish line, turns around again and flies back to the runner. the bird repeats the back and forth trips until the runner reaches the finish line. how far does the bird travel from the beginning? (i.e. include the distance traveled to the first encounter)
Answers: 2
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