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Preview of Satellites

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
Preview of How Making Things Bigger or Smaller Changes Behavior

How Making Things Bigger or Smaller Changes Behavior

19 pgs,77Q/solnScale models involve scaling dimensions up or down and this changes properties like weight, surface area, height. These in turn change heat energy, temperature change, suit costs, strength to weight which changes the ability to move even. Ants have a problem with water attached to their bodies. Making something taller means that eventually it won't be able to hold up its own weight. Why are tiny people impossible or why couldn't mon
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