distance traveled=2PI(1.5e11)
time=365days(24hr/day)(3600sec/nr)=3.15e7
speed= 2PI*1.5e11/3.5e7= 26.9e3m/sec
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?
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