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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 āc/m.
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Asmall grinding wheel has a moment of inertia of 4.0Ć10ā5 kgā
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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A hammer exerts a force of 5500 N on a nail and drives it into a block of wood....
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