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Question: What change in temperature will cause a 10-m long lead bar to change in length by 3.0mm. The coefficient of linear expansion of lead is 29 x 10-6 K-1.
Write your solution in appropriate format and provide references.
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 290 kg) that is also at rest. Determine the velocity of the second log if the lumberjack comes to rest on it
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