Light travels at a rate of 3.0 x 108 meters per second. If the earth is 1.5 x 1011 meters away from the sun, how long does it take for light to travel from the sun to the earth?
I am assuming you mean 3.0 10^8 and 1.5 10^11.
time = distance/speed right. So,
t = 500 s
Answer:
It takes 500 seconds
Step-by-step explanation:
Light travels at a rate of 3.0 × \(10^{8}\) meters per second.
Distance of earth from the sun is 1.5 × \(10^{11}\) meters.
We have to calculate the time it takes to reach the earth from sun
Since speed = \(\frac{Distance}{Time}\)
3.0 × \(10^{8}\) = \(\frac{1.5\times 10^{11}}{T}\)
T = \(\frac{1.5\times 10^{11}}{3\times 10^{8}}\)
= 0.5 × \(10^{11}\) × \(10^{-8}\)
= 0.5 × \(10^{11-8}\)
= 0.5 × \(10^{3}\)
= 500 seconds.
It takes 500 seconds for light to travel from the sun to the earth.