Tuesday 13 December 2011

DAY 379

The sun is 93,000,000 miles from earth. Light travels at a speed of 186,000 miles per second. How long does it take light from the sun to reach the earth?

Answer:

8 minutes 20 seconds ........ 93,000,000 divided by 186,000 is (exactly) 500. 500 seconds divided by 60 = 8.33333333 or 8 1/3 minutes.

No comments:

Post a Comment