UNIT CONVERSION & SCIENTIFIC NOTATION. Convert the following measurements and express in scientific notation. Show your solution a. 321, 787 mi to km (miles to kilometers) b. 0.861 L to gal (US) (liters to gallons) 740.3 km/hr to m/s (kilometers per hour to meters per second) C.

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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.