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An 18kg mass is placed at one end of a steel bar that is 1m long. A 35kg mass is placed at the other end. Where should the fulcrum be placed to balance the bar

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An 18kg mass is placed at one end of a steel bar that is 1m long. A 35kg mass is placed at the other end. Where should the fulcrum be placed to balance the bar?

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One of the fastest supercomputers in the world is NEC's Earth Simulator, which operates at a top-end of 40 teraflops (forty trillion operations per second or 4.0 x 10^13). How long would it take this computer to perform 250 million calculations? Express answer in...

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