One light- hour is the distance that light travels in an hour. How far is this, in kilometers? (Recall that the speed of light is 300,000 km/s.)
A)9)46 trillion km
B)18 million km
C)300,000 km
D)100 million km
E)1)08 billion km

Question

Quizplus · Accepted Answer

The speed of light is 300,000 kilometers per second. To find the distance light travels in one hour, multiply this speed by the number of seconds in an hour (3600 seconds): 300,000 km/s * 3600 s = 1,080,000,000 km, or 1.08 billion kilometers.

One Light- Hour Is the Distance That Light Travels in an Hour