Wave on the surface of water travel with a phase velocity Vp = Vp = sqrt((g*lambda)/(2pi)) where g is the acceleration due to gravity. Show that the group velocity of a wave packet half the phase velocity

Modern Physics
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ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
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Chapter6: Quantum Mechanics In One Dimension
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Wave on the surface of water travel with a phase velocity Vp = Vp = sqrt((g*lambda)/(2pi)) where g is the acceleration due to gravity. Show that the group velocity of a wave packet half the phase velocity

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