looking at a polar cross section
Monica's radius of rotation (r) is
... 3960 mi * sin(90 - 13)
her speed is ... 2 * π * r / 24 hr
Monica stepped outside and began to think how fast she is moving even when she is standing still.
Assume that the earth is a sphere with a radius of 3960 miles and Monica is at a latitude of 13∘N.
What is Monica's speed due solely to the rotation of the earth in miles per hour?
1 answer
1 answer