A bad guy of mass 100 kg has just robbed a bank and is carrying 200kg of gold bouillon. The problem is that he's inside of a stationary freight car with nearly frictionless bearings, and the freight car is on the verge of a precipice as pictured.
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If he tries to move to the left with his gold all the way to the door
away, the freight car, which weighs 
will move
to the right, very possibly far enough so that he'll plunge with the
car down the precipice. The freight car has to move only 2 ft to
the right for this to happen. Will he make it to the door?
