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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.

Based on the image below what would an observer on the nighttime side of earth observe?

Remote controls rely on to carry signals and transmit information over short distances.