1.) The earth completes a circular orbit around the sun with a radius of 93,000,000 miles....
1.) The earth completes a circular orbit around the sun with a radius of 93,000,000 miles. What is the speed of the earth around the sun in meters per second? Assume that one year has 365.25 days. Figure out the number of seconds in one year. Put results in scientific notation.
Homework Answers
speed = distance covered/ time
= 2pi*r / v
( Note 1mile = 1.609 m and 365.25 days = 365.25*24*60*60 s)
= 2pi*93000000*1.609 / 365.25*24*60*60
= 29.8 m/s
so the speed is 2.98*10^1 m/s
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