hformation to answer the next two questions One futuristic scheme to produce power on a large scale proposes placing giant solar panels into Earth's orbit, where energy generated from sunlight would be converted to microwaves and beamed to antennas on Earth for reconversion to electric power. To produce as much power as five large nuclear power plants (5.00×10° W total), several square kilometres of solar panels would have to be assembled in orbit. An Earth-based antenna that is 8 km in diameter would be required to receive microwaves from the solar modules, which would be positioned 7.52x10° m away from Earth's centre. 26. The magnitude of Earth's gravitational field at the location of the orbiting solar panels is N/kg. (Record your answer in the numerical-response section below.) 0000 Your answer: Your reasoning: 27. The energy that the solar panels could produce in one day is 07.20x1012 J V 1.39x106 J %3B %3B 4.32x1014 J

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.