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Physics, 22.06.2019 08:30
Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
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Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
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A first class lever can give all advantages of a simple mechine ,why...
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