CH 23 Problems

# CH 23 Problems - 69.6 dB 29 33 35 37 Chapter 18 Problems 3...

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PHY2049 Homework Assignments Chapter 15 Problems 2 [(a)4.33 cm, (b)-5.00 cm/s,(c)-17.3 cm/s 2 , (d)3.14 s, 5.00 cm], 3, 5, 7, 11, 12[Yes, m/k must equal 0.183 m/(9.80 m/s 2 ), T = 0.859s], 15, 17, 18[(a) 100 N/m (b)1.13 Hz (c)1.41 m/s @x=0 (d)10.0 m/s 2 @x=+ A,(e) 2.00 J (f)1.33 m/s (g)3.33 m/s 2 ] 19, 24[1.0015], 25, 27 Chapter 16 Problems 1, 2 [difference is the wave train has traveled in 2 seconds a distance of 2.4 m, hence waveform has shifted by 2.4 m on y vs x plot] , 5, 9, 12 [+ 6.67 cm], 15, 21, 24 [631 N], 27, 30, 32 [1.07 kW], 34 [Power unchanged for parts a, b and c; increased 4X in part d], 35 Chapter 17 problems 1, 3, 6 [153 m/s, 614 m], 11, 13, 17, 19, 22, 23, 25, 26 [65.0dB, 67.8 dB,

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Unformatted text preview: 69.6 dB], 29, 33, 35, 37 Chapter 18 Problems 3, 4 [5.66 cm], 5, 9, 11, 13, 15, 16 [(a) yes, resultant wave contains points of no motion, (b) & (c) Nodes still separated by half wavelength, they are all shifted by the distance /2k to the left] 17, 21, 25, 29, 31, φ 37, 39, 43, 45 Chapter 23 Problems 5, 7, 8 [x=0.634d, Equilibrium stable if 3 rd bead has + charge], 9, 12 [1.82 m to the left of the negative charge], 13, 14 [514 N], 20 [k e λ o /x o (-i) ], 21, 23, 24 [383MN/Caway, 324 MN/C away, 80.7 MN/C away, 6.68MN/C away], 33, 34 [ -1/3, q 1 negative and q 2 positive], 37, 39, 41...
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