May 11 - Homework Assignments Cory poynter x) . / = . 18...

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General Physics III Homework Assignments Cory poynter 17- 33, 34, 35, 37, 53, 54 33) Speed of observer vo = / 25 m s Speed of source vs = / 40 m s Frequency (f) = 2500Hz Speed of sound (v) = 343m/s Maximum sound level βmax = 60dB a) = - - f1 v vov vsf b) = + - ( ) 343 25343 40 2500Hz c) = 3.04kHz d) = - - f1 f v vov vs e) =( ) + - 2500Hz 343 25343 40 f) = 2.62kHz g) = - - f1 v vov vsf h) =( ) + - 2500 343 25343 40Hz i) = 2.40kHz j) 34) Spring (k) = 20N/m k) Mass(m) = 5.0kg l) Amplitude(a) = .5m m) Frequency (f) = 440Hz a) Maximum speed = vmax kma n) = . 205 x 5 o) = . / 1 0 m s p) = + leastf' fvv vmax q) = - 440343343 1 r) = 439 Hz
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s) = + mostf' fvv vmax t) = - 440343343 1 u) = 441 Hz v) b) βmin = - ( ) βmax 10log 21 2 c) = - 60 20log102 d) = 54dB e) f) g) 35) Velocity (v) = 343m/s h) = + 560 vv vsf i) = + 480 vv vs x f j) = + - 560480 v vsv vs k) = + - 76 343 vs343 vs l) = 13vs 343 m) Speed of ambulance = 26.38 m/s n) o) 37) frequency(f) = 512 hz p) Acceleration(a) = -9.80m/s^2 q) Velocity(v) = 340m/s r) = - f' fovv vs = and d 12gt2 s) 340 - = ( ) vs 512x 340 485 t) =- . / vs 18 9m s u) - . - . = . 18 9 9 8 1 929s v) = ( . )( . ) d 12 9 8 1 929 2 w) = 18.23m
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General Physics III
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Unformatted text preview: Homework Assignments Cory poynter x) . / = . 18 23m340m s 0536 seconds y) Total distance = 12gt2 z) = ( . )( . + . ) 12 9 8 1 929 0536 2 aa) = 19.27m ab) ac) 53) Speed of sound in ocean water(v1) = 1520m/s ad) Frequency of trailing ship (f) = 1200 Hz ae) Speed of training ship( )= / -(-/ ) vs 64km h 10km h af) = / 74km h ag) = / 74x518m s ah) = . / 20 55m s ai) Speed of leading ship( )= / -(-/ ) vo 45km h 10km h aj) = / 55km h ak) = / 55x518m s al) = . / 15 3m s am) = --f' v vov vsf an) = -.-. ( ) 1520 15 31520 20 55 1200Hz ao) =1204.2kHz ap) aq) ar) 54) Speed of sound ( )= vs 340m/s as) Speed of bat = / vb 5m s at) Original frequency (f) = 40KHz au) Receives frequency (f1) = 40.04kHz av) = +--+ f' fv vbv vbv viv vi aw) . = -+ 40 4 40345335340 vi340 vi ax) -+ = . 340 vi340 vi 9811 ay) = ( - . ) . vi 340 1 981 1 981 az) = 3.261m/s ba) bb)...
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This note was uploaded on 07/13/2011 for the course PHYS 203 taught by Professor Turner during the Spring '11 term at Alabama.

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May 11 - Homework Assignments Cory poynter x) . / = . 18...

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