Light travels 300,000 km per second. The sun is 93 *10^6 miles from the Earth. H

Question

Light travels 300,000 km per second. The sun is 93 *10^6 miles from the Earth. How long does it take sunlight to reach the Earth? (Note: you need to convert the distance to the sun to kilometers before calculating the time.) Express your answer to the nearest minute. Light travels 300,000 km per second. The sun is 93 *10^6 miles from the Earth. How long does it take sunlight to reach the Earth? (Note: you need to convert the distance to the sun to kilometers before calculating the time.) Express your answer to the nearest minute.

Explanation / Answer

Q) Light travels 300,000 km per second. The sun is 93 *10^6 miles from the Earth. How long does it take sunlight to reach the Earth? (Note: you need to convert the distance to the sun to kilometers before calculating the time.) Express your answer to the nearest minute.

Ans. Light travels 300,000 km/sec

Distance between the Sun and the Earth is 93 * 10^6 miles = 149.67 * 10^6 km.

Time take sunlight to reach the Earth is = 149.67 * 10^6 km / 300,000 km/sec = 498.9 sec = 499 sec.

499 sec = 8 minute 19 second.

So, sunlight take 8 minute 19 second to reach the Earth.

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