The speed of light is 3 × 10^8 meters/second .If the sun is 1.5 × 10^11 meters from the earth, how many seconds does it take for sunlight to reach the earth?
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second .If the sun is 1.5 × 10^11 meters from the earth, how many seconds does it take for sunlight
Answer:
500 seconds
1.5 x 1011 m / 3.0 x 108 m/s = 0.5 x 103 s = 500 seconds.