Asked by moe

how long does it take light travelling at3*10^8 m/s to across a room 6 m long?
Answered by oobleck
distance = speed * time
so plug in your numbers
Answered by JAC OB254
Time=distance/speed
=6/3×10^8
=2×10^-9seconds
Answered by Anonymous
looks more like 2*10^-8 to me.
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