Posted by mack on Saturday, November 19, 2011 at 5:14pm.
(1) F = G*M1*m2/R^2 = G *(5000)^2/(1.13)^2
Look up the value of G and compute.
(2) Five times more than 1.13 m, because of the inverse square dependence upon distance. .
I have the formula down ok. My problem is with the exponents. G = 6.67 x 10^-11. M1 and m2 = 25,000,000. I wrote down m1 and m2 as 2.5 x 10^7. I multiplied 6.67 by 2.5 and come out with 16.67. I do not know why but I know I need to move the decimal point over and come up with 1.6675 x 10^3. My denomenator comes up to 1.2769. Does this sound right?
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