Percent Increase and Decrease Quiz
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Satellites
88pgs, 32gifs, 31videos, 20Q/solnA body that orbits another is a satellite. Earth satellites are increasing rapidly. For gravity driven satellites V2=GMeMsat/Re2 which is derived from F=GM1M2/R2 and F=MV2/R. Velocities can be calculated. Kepler's 3rd Law is related. K=R3/T2 and is a constant for the object at the center. Kinds and uses of satellites are discussed. Near earth satellites (300mi) and geosynchronous (22,000mi) are featured. Spy satelli
8th - 12th
General Science, Physical Science, Physics
Chemistry in Space: What Happens?
41pgs, 17gifs, 8 internet sites, 5 videosChemistry in space revolves around diffusion and low gravity and surface tension. Freefall around Earth in the ISS simulates no gravity. A flame in a region with no convection burns in a small blue ball. Molecular growth in microgravity produces better results. The human body in space suffers from the lack of tension on bones and muscles. Excercise under tension is very important to astronauts. Making a cake in the ISS
8th - 12th
Chemistry, General Science, Physical Science
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