Which task would be impossible without radio waves ?
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Answers: 3
Physics, 22.06.2019 17:00
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 3
Physics, 22.06.2019 20:10
Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?
Answers: 1
Physics, 22.06.2019 22:30
Suppose astronomers built a 140-meter telescope. how much greater would its light-collecting area be than that of the 10-meter keck telescope? express your answer using two sign
Answers: 3
Mathematics, 13.01.2020 17:31
Mathematics, 13.01.2020 17:31
History, 13.01.2020 17:31
Biology, 13.01.2020 17:31
Mathematics, 13.01.2020 17:31
Biology, 13.01.2020 17:31
Mathematics, 13.01.2020 17:31
Mathematics, 13.01.2020 17:31
History, 13.01.2020 17:31
Mathematics, 13.01.2020 17:31
Mathematics, 13.01.2020 17:31