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Why must the substance be stirred as it heats or cools?
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Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
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Why must the substance be stirred as it heats or cools?...
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