University Physics with Modern Physics with Mastering Physics (11th Edition)

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15.12: a) λ - λ + = - λ t T x π A T t x π A 2 cos 2 cos ( 29 , 2 cos vt x A - λ π + = where v f T = λ = λ has been used. b) ( 29 . λ 2 sin λ 2 vt x π A πv t y v y - = = c) The speed is the greatest when the cosine is 1, and that speed is
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