What is the formula to use for this question, "how far does light travel in 2.5s"?

Question

Chemistry

Greta Nelson

26 December, 04:17

What is the formula to use for this question, "how far does light travel in 2.5s"?

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Shirley Wallace · Answer 1

The definition of the speed of light is exactly 299,792,458 meters per second, so to find how far it travels in a time period, multiply the speed of light times the time. Aka c=299,792,458m/s where c is speed of light, m is meters, and s is seconds. So for example to find how far light travels in 5 seconds, multiply by 5.