Suppose astronauts are paid according to the amount of time they spent traveling in space. After a long voyage traveling at a speed approaching the speed of light, would a crew member rather be paid according to (a) an earth-based clock, (b) their spacecraft's clock, (c) either clock?

Suppose astronauts are paid according to the amount of time they spent traveling in space. After a long voyage traveling at a speed approaching the speed of light, would a crew member rather be paid according to (a) an earth-based clock, (b) their spacecraft's clock, (c) either clock?

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Question

Definition Definition Rate at which light travels, measured in a vacuum. The speed of light is a universal physical constant used in many areas of physics, most commonly denoted by the letter c . The value of the speed of light c = 299,792,458 m/s, but for most of the calculations, the value of the speed of light is approximated as c = 3 x 10 8 m/s.

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