Universal Gravitation Confusion...

It seems that Kepler's constant on gravitation can be a bit confusing. This problem came up a couple of years ago and you can read the explanation for this problem by clicking HERE and watching the video at the bottom of that blog post. Then come back here watch the video below to help understand how the formula was derived and when the formula cannot be used. This will hopefully clear up any problems you may have with some true and false questions on Test 7 which will be Friday, October 20th.