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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