Asked by Carl

The average distance between Earth and the Sun is 1.5 ✕ 10^11 m.
a) Calculate the average speed of Earth in its orbit (assumed to be circular) in meters per second.
b) What is this speed in miles per hour?

Answers

Answered by bobpursley
distance traveled=2PI(1.5e11)
time=365days(24hr/day)(3600sec/nr)=3.15e7

speed= 2PI*1.5e11/3.5e7= 26.9e3m/sec
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