s37 - P37.4 = (a) (b) (c) v 354 m s = = 0. m 177 f 2 000 s1...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
P37.4 1 354 m s 0.177 m 2000 s v f λ == = (a) so () and sin dm θ = ) ( 0.300 ms i n1 0 . 177 m = 36.2 (b) so and = ) ( sin36. 21 0 . 030 0 m d °= 5.08 cm d = (c) so 59 6 1.00 10 in 36. ×° = 0 nm = 8 7 3.00 10 m s 508 TH z 5.90 10 m c f × = × P37.9 Location of A = central maximum, Location of B = first minimum. So, mi nm a x 11 0 0 20.0 m 22 LL yy y dd λλ ⎛⎞ Δ= = + − = = ⎡⎤ ⎜⎟ ⎣⎦ ⎝⎠ . Thus, ( ) 3.00 m 150 m 11.3 m 220.0 m4 0 . 0 m L d = . *P37.12 In θλ = y L = mL y d = 9 3 1 633 10 m 3 m s 6.33 m m s 0. 31 dy md L dt d dt × = × P37.19 (a) From Equation 37.8, ( ) 33 9 20 . 850 10 m2 . 50 10 m 2 7.95 rad 600 10 . 80 m y yD yd D ππ φθ π φ −− + ×× ≈= = × (b) 2 2 2 2 max cos 2 d I I m d πλ 0.453 I I = P37.21 (a) We can use si ns i n2 s i nc o s A BA AB += + B to find the sum of the two sine functions to be 12 24.0 kN C si n15 4.5 35. 0c o s 3 5 .0 19.7 kN C si n15 4. 53 5 . 0 EE x t − + ° + = −+° °
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Thus, the total wave has amplitude 19.7 kN C and has a constant phase difference of 35.0 ° from the first wave. (b) In units of kN/C, the resultant phasor is () ( ) 12 22 1 ˆˆ ˆ ˆ ˆ j 12.0 12.0cos70.0 12.0sin70. 01 6 . 11 1 . 3 11.3 16.1 11. 3 at tan 19.7 kN C at 35.0 R R =+ = + ° + = + ⎛⎞ =+ = ° ⎜⎟ ⎝⎠ EE E i i j i E E 1 E 2 70.0° E R α x y kx - ω t ° j FIG. P37.21(b) (c) 12.0cos70. 2 . 0sin70.0 R + Ei 15.5cos80. 5 . 5sin 80.0 17.0cos160 17.0sin160 9.18 1.83 9.36 kN C at 169 R −° =− + = ° ij j The wave function of the total wave is 9.36 kN C si n15 4. 51 6 9 P Ex t + ° .
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 08/31/2010 for the course PHYSICS 7E taught by Professor Staff during the Fall '08 term at UC Irvine.

Page1 / 5

s37 - P37.4 = (a) (b) (c) v 354 m s = = 0. m 177 f 2 000 s1...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online