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PremusDog said:Ok cool thanks
"if it is talking about the change in GPE" - what do u mean by this wrx ? can u pls give an example?
Thanks
That made a whole lot of no sense.lucyinthehole said:no, don't you find the change by working out the original value, then the new value, then fidig the difference? thus r is always the distance between the centres of gravity of the 2 objects in question
haaaaaaah. damn. lol forgot maths too early ^^UJase said:whoaho slow down there.. 1/R - 1/r is not equal to 1/(R-r) ^^