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An elevator (mass 4500 kg ) is to be designed so that the maximum acceleration is 7.00×10−2g.? Why do goalies hands hurt less if he catches a puck while moving his hand in the same direction the puck is moving? Do rodin coils have anything to do with wormholes? How do I prove if two linear systems have the same solutions it follows that the corresponding matrices are row equivalent? Will Aliens invade earth on April 18, 2018?