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Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of
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Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?
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heat engine operating between 100 °C and 700 °C has an efficiency equal to 40% of the maximum theore...
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