no worries I don't think its that important at the moment. I think we just haven't learned it yet and will learn it in the future.
Anyway as for the error you pointed out, isn't it just a matter of labeling?
In my working i used r = (r1) + (r2)
But that aside, GMm/(r1+r2)^2 = m(r)w^2 won't...
Haha it was some online nick that I stuck to since I was really young. Too lazy to think of a new name everytime i signed up at forums so yeah there you have it. So in a sense its somewhat true ^^
Anyway thanks for the help. I've got the first question figured out now.
For the second question...
Ok I have 2 related questions
Qns1
Homework Statement
Two satellites, A and B, orbiting around Earth have the same kinetic energy. Satellite A has a larger mass than satellite B. Which of the following statements is false?
A Satellite A has a larger period.
B Satellite A has a...