Asked by rob
light from the sun travels 1.5x10km to reach the earth .how long does it journey take in minutes?
Answers
Answered by
Damon
150 million km you mean
which is 1.5 * 10^8 km
which is 1.5 * 10^11 meters
c is about 3 * 10^8 m/s
distance = rate * time
1.5 * 10^11 = 3 * 10^8 t
(1/2) * 10^3 = 7
so t = about 500 seconds
or 8 1/3 minutes
which is 1.5 * 10^8 km
which is 1.5 * 10^11 meters
c is about 3 * 10^8 m/s
distance = rate * time
1.5 * 10^11 = 3 * 10^8 t
(1/2) * 10^3 = 7
so t = about 500 seconds
or 8 1/3 minutes
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