p37_071 - 71(a We use Eq 37-12 = sin1 = sin1 1.22 1.22(vs/f...

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71. (a) We use Eq. 37-12: θ = sin 1 µ 1 . 22 λ d = sin 1 · 1 . 22( v s /f ) d ¸ = sin 1 · (1 . 22)(1450 m / s) (25 × 10 3 Hz)(0 . 60 m) ¸ =6 . 8 . (b) Now f =1 . 0 × 10 3 Hz so 1 . 22 λ d = (1 . 22)(1450 m
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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