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Introductory Physics Homework Help
Calculating magnitude of the acceleration of two ocean liners
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[QUOTE="jbriggs444, post: 6308617, member: 422467"] It is difficult to deal with large pictures of hand-drawn equations rather than with typewritten equations. Let us try to see what you did. You started with $$\frac{GMm}{r^2}$$ and substituted in numbers for M, m and r yielding $$\frac{G (42000\times1000)^2}{92^2}$$ But I cannot figure out how you arrived at ##6.6\times10^{-7}## as a result. Then you go back and apply ##F=ma## to the algebraic formula ##F=\frac{GMm}{r^2}## to correctly decide that $$a=\frac{Gm}{r^2}$$ You then evaluate this with m=42000000 and r=92 to obtain ##3.31\times10^{-7}##. But for some reason you decide that this result is a force rather than an acceleration and give it units of Newtons. [/QUOTE]
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Introductory Physics Homework Help
Calculating magnitude of the acceleration of two ocean liners
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