Posted by Tim on Thursday, December 15, 2011 at 4:35pm.
They are not asking for the force. They want the speed due to the rotation of the earth. That equals R*w.
R is the earth radius and w is its rotation rate in radians per second.
How would I know W if that wasn't given?
So I figured this out myself a=v^2/r
which is also equal to (4pi^2*r^2)/T^2
and T is 86400 secs which is how long it takes for a day to pass
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