Waves moving on a lake have a speed of 2.0 m/s and a distance of 1.5 m between adjacent crests. Each crest stands 0.30 m higher than the trough between crests at a certain point 10 m from the shore. What is the period of the wave motion, in s?

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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.