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A steel of diameter 150 cm at 100 °c to be lifted on to a train wheel of diameter 151 cm. what temperature must the tyre be heated to just fit the wheel?
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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
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How many neutrons does plutonium -196 with an atomic number of 78.
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A steel of diameter 150 cm at 100 °c to be lifted on to a train wheel of diameter 151 cm. what tempe...
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