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