Posted by Shivu on Tuesday, August 27, 2013 at 7:54pm.
(1) What is the linear speed of the earth in its orbit about the sun? Give your answer in meters per second. (Consider the earth's orbit to be a circle of radius 1.50×1011 m.)
(2) What is the linear speed of Jupiter in its orbit about the sun? Give your answer in meters per second. (Consider the orbit of Jupiter to be a circle of radius 7.78×1011 m and that it takes 11.90 yr for one orbit around the sun.)

Physics  Steve, Tuesday, August 27, 2013 at 8:41pm
C = 2pi * r meters
length of a year is t = 3.16*10^7 seconds
just divide C/t

Physics  Tobi, Thursday, April 3, 2014 at 8:00pm
Speed = 2*pi*r/t
= 2*3.142*1.50E11/3.16E7
= 29,829m/s
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