Question

write 2 points on speed of light​

Answer 1

Answer:

1) The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory, nothing can travel faster than light. 2) In miles per hour, light speed is, well, a lot: about 670,616,629 mph. If you could travel at the speed of light, you could go around the Earth 7.5 times in one second.

Explanation:

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Answer 2

•The speed of light is measured to have the same value of c = 3x10⁸ m/s no matter who measures it.

•Light is made of electromagnetic waves and it travels at that speed, because that is exactly how quickly waves of electricity and magnetism travel through space.