A solid sphere of radius 50.0 cm has a total negative charge of -30.0 mC uniformly distributed throughout its volume. Calculate the potential difference between 20 cm and 70 cm points from the center of the sphere. (show step by step solutions) 2.

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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.