Sagot :
Answer:
299,792,458 metres per second
Explanation:
Speed of light, speed at which light waves propagate through different materials. In particular, the value for the speed of light in a vacuum is now defined as exactly 299,792,458 metres per second. Animation showing how the speed of light can technically be broken by a laser.
Answer:
299,792,458 metres per second
Explanation:
the value for the speed of light in a vacuum is now defined as exactly 299,792,458 metres per second