Although the thermosphere is considered part of Earth's atmosphere, the air density is so low we normally think of it as outer space. The space shuttle and the International Space Station both orbit Earth within the thermosphere. Much of the Sun's UV and x-ray radiation are also absorbed by this layer. The thermosphere gets hotter and expands or "puffs up". Because of this, the height of the top of the thermosphere varies. The thermosphere has winds and tides that help move energy around. Why is this important for NASA engineers to know when designing future satellites? A) The thermosphere creates a drag force on the satellites as they orbit. B) The satellite will continue to travel through the thermosphere to the exosphere. When launched the high energy radiation from the sun will cause the satellite to burst. D) The winds and tides of the thermosphere will cause the satellite to move up and down instead of orbit. Submit
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Physics, 22.06.2019 07:20
Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?
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Physics, 22.06.2019 07:30
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
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Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
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