Atraveling electromagnetic wave in a vacuum has an electric field amplitude of 98.9 v/m . calculate the intensity of this wave. then, determine the amount of energy that flows through area of 0.0259 m2 over an interval of 11.7 s , assuming that the area is perpendicular to the direction of wave propagation.

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Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)