ch13-p034 - 34. The gravitational potential energy is U =...

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34. The gravitational potential energy is () 2 == Gm M m G UM m m rr −− which we differentiate with respect to m and set equal to zero (in order to minimize). Thus, we find M 2 m = 0 which leads to the ratio m/M = 1/2 to obtain the least potential
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