03-09-2018
Physics

contestada

please help what is the definition ligthspeed

Respuesta :

tareqelhamdani tareqelhamdani

03-09-2018

Light speed is the speed at which light can travel in a "vacuum" (space for example).

The speed of light is constant and is exactly: 299,792,458 meters per second

ONLY IN A VACUUM!!

The speed of light changes when it goes through different mediums (such as from space to Earth, light travels slower in Earth).

Good luck!

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