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Write down the equation of the wave and calculate the (i) wavelength, and (ii) wave number. . [)]TJ 9 0 0 9 391.9609 367.1809 Tm 0 Tc 0 Tw (1)Tj 11.5 0 0 11.5 396.4609 367.1809 Tm (])Tj -6.3066 -3.2174 TD -0.0001 Tc 0.2857 Tw [(57)-413.2(Exposure to ultraviolet radiation can damage)]TJ 1.413 -1.1304 TD 0.0863 Tw (skin. What is)Tj T* 0.025 Tw (the electric field strength at this location? )]TJ ET 0 G 0 J 0 j 1 w 10 M []0 d 69.508 244.299 478.666 -69.111 re 516.676 145.839 m S Q Note that both transverse and longitudinal waves can be periodic. . B. }:@>'"dsT#?, =,obI);-TV8 6={: . )]TJ 1.413 -1.4783 TD [(\(1\))-500.1(a)0( 110-kg wrestler resting on a mat)]TJ 0 -1.1304 TD [(\(2\))-500.1(a)0( 90-kg man walking at 2 m/s)]TJ T* -0.0251 Tc [(\(3\))-475.1(a 70-kg long-distance runner traveling at 5 m/s)]TJ T* -0.0001 Tc [(\(4\))-500.1(a)0( 50-kg girl sprinting at 10 m/s)]TJ -1.428 -2.8696 TD -0.0151 Tc 0.2608 Tw [(16)-458.2(A child is riding on a merry-go-round. 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Write a word phrase for the algebraic expression. -300m- 2.) . 10) a digital signal, which is less likely to degrade. )]TJ 31.5521 0 TD (. 1 0 obj<> endobj 2 0 obj<>stream Wave # Frequency Wavelength Wave 1 6.66 1014 Hz 450 nm Wave 2 5.77 1014 Hz 520 nm Wave 3 4.61 1014 Hz 650 nm Wave 4 4.28 1014 Hz 700 nm Which wave contains the lowest energy? . )-1322(1)0(8)-200( . D: 2.94 10^3 s, A beam of light has a wavelength of 4.5 x 10^7 meter in a vacuum. A. they can move through space B. they can shake structures C. they carry and transfer energy The wave direction reverses. The term harmonic is used across different fields such as electronic power transmission, music, radio and all technologies that use waves in other forms. In one or two sentences, 1 answer. . . )10( )10(. B: increase . . Its true though that all waves can be broken up into periodic waves (extending in both space and time to infinity). The wavelength is decreasing. . . . This guide lays out styles and policies Twin Cities Geek follows for punctuation, formatting, spelling, inclusive language, and more in our articles and other communications. . . . A certain radio wave has a wavelength of 7 inches. . A. long wavelength and high frequency B. long wavelength and low frequency C. short wavelengh and low frequency D. short wavelengh and high frequency Is the answer B? D: amplitude, If the amplitude of a wave traveling in a rope is doubled, the speed of the wave in the rope will Y)73.8(our answer sheet and answer booklet cannot be accepted if you fail to sign this)]TJ T* 0 Tw (declaration. )]TJ 2.6087 -2 TD 0.1115 Tw (A 50.-kilogram child running at 6.0 meters)Tj -1.5652 -1.1304 TD -0.0085 Tw (per second jumps onto a stationary 10.-kilogram)Tj T* 0.025 Tw (sled. . . [Show all work, including the equa-)Tj -4.321 -1.1304 TD 0.025 Tw [(tion and substitution with units.] )Tj T* 0.025 Tw (What is the mass of ball )Tj /F5 1 Tf 10.1627 0 TD 0 Tc 0 Tw (B)Tj /F3 1 Tf 0.6479 0 TD (? 5. a You can put one half wavelength on the string, one, -Frequency -Wave Speed -Amplitude -Wavelength all that apply, Frequency and wavelength Wavelength and wave speed Amplitude and wavelength Amplitude and frequency 2. )Tj -7.2103 -10.087 TD -0.0001 Tc 0.1711 Tw (If a compass is placed at point )Tj /F5 1 Tf 13.8107 0 TD 0 Tc 0 Tw (P)Tj /F3 1 Tf 0.977 0 TD -0.0001 Tc 0.1711 Tw (in the same)Tj -14.7877 -1.1304 TD 0.0625 Tw (plane as the magnetic field, which arrow repre-)Tj T* -0.0014 Tw (sents the direction the north end of the compass)Tj T* 0.025 Tw (needle will point? B: 0.50 Hz . . . . . 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What is the wavelength? 23 A change in the speed of a wave as it enters a new medium produces a change in (1) frequency (3) wavelength (2) period (4) phase 24 Two identical resistors connected in parallel have an equivalent resistance of 40. ohms. Which phrase best describes wavelength? . D: mechanical waves that require a medium for transmission, The energy of a sound wave is most closely related to the wave's ( A transverse wave propagates so that the disturbance is perpendicular to the direction of propagation. A periodic wave transfers. . The elements in the periodic table are divided into rows and columns. . . Wave # Frequency Wavelength Wave 1 6.66 1014 Hz 450 nm Wave 2 5.77 1014 Hz 520 nm Wave 3 4.61 1014 Hz 650 nm Wave 4 4.28 1014 Hz 700 nm Which wave contains the lowest energy? When the air is removed from the chamber, why can the bell be seen vibrating but not heard? . The time it takes for a wave to repeat C. The distance between wave crests D. The distance a wave is from the starting point. 11 0 obj The oscillator that generates the wave completes 49.0 vibrations in 20.8 s. A given crest of the wave travels 402 cm along the rope in a time period of 14.9 s. What is the wavelength? If the water wave travels at 4.5 m/s, the wavelength of the wave is . What is the distance between successive compressions in this sound wave as it travels through air at STP? )78( )]TJ 1.328 0 TD 0 Tc 0 Tw [(. )]TJ T* [(\(3\))-500.1(It increases, then decreases. . A television remote control is used to direct pulses of electromagnetic radiation to a receiver on a television. )]TJ 2.1818 -2.2727 TD 0 Tc 0 Tw (Y)Tj 0.5188 0 TD -0.0002 Tc 0.0598 Tw [(ou are to answer )]TJ /F4 1 Tf 8.1466 0 TD -0.0001 Tc 0 Tw (all )Tj /F1 1 Tf 1.5044 0 TD -0.0002 Tc 0.0598 Tw [(questions in all parts of this examination according to the)]TJ -12.3516 -1.1818 TD -0.0001 Tc 0.1112 Tw [(directions provided in the examination booklet. . . )]TJ -0.913 -2.8696 TD 0.413 Tc 0 Tw (5A)Tj 1.561 0 TD ( )Tj 0.276 0 TD -0.0001 Tc 0.0261 Tw (man standing on a scale in an elevator notices)Tj -0.9239 -1.1304 TD 0.0443 Tw (that the scale reads 30 newtons greater than his)Tj T* 0.0474 Tw (normal weight. Answer in units of Hz. . ( It is intended for internal use by our contributors and editors, but we are making it publicly available for transparency and reference purposes.Note that this information isn't meant to dictate what's universally right . How do you find the speed of a periodic wave? Answer in units of s. What is the frequency of the wave? Then, slowly and)]TJ T* 0.0278 Tw [(carefully)73.8(, tear off the answer sheet and fill in the heading. . . Answer in units of m, The oscillator that generates the wave com- pletes 46.0 vibrations in 26.5 s. A given crest of the wave travels 351 cm along the rope in a time period of 12.5 s. What is the wavelength? . . Study now. B: wavelength b.) . . . 1 g /GS1 gs 12 782 m 12 782 l f q 1 i -1 793 614 -794 re 12 782 m W n 0 792.06 612 -792 re W n 42 744 528 -690 re f 385.331 748.252 202 -255.718 re f BT /F1 1 Tf 10 0 0 10 463.5614 734.8328 Tm 0 g -0.0113 Tc 0 Tw [(Maximum)-2537.7(Student)91.6(s)]TJ -6.9285 -1.2 TD -0.0112 Tc [(Part)-6007.8(Score)-4282.1(Score)]TJ ET 0 G 0 J 0 j 1 w 10 M []0 d 394.331 698.333 m 578.331 698.333 l S BT 10 0 0 10 394.2762 704.8328 Tm 7.9548 Tc [(A3)7966.1(5)]TJ ET 394.331 674.333 m 578.331 674.333 l S BT 10 0 0 10 394.2762 680.8328 Tm -0.0112 Tc [(B1)-6895.4(12)]TJ ET 394.331 650.333 m 578.331 650.333 l S BT 10 0 0 10 393.9812 656.8328 Tm [(B2)-6924.9(18)]TJ ET 394.331 626.333 m 578.331 626.333 l S BT 10 0 0 10 394.2762 632.8327 Tm 7.8808 Tc [(C2)7892.1(0)]TJ 2.1055 -2.8 TD 0 Tc (T)Tj 0.5819 0 TD -0.0113 Tc 0.0278 Tw [(otal W)36.7(ritten T)73.8(est Score)]TJ -0.5819 -1.3 TD [(\(Maximum Raw Score: 85\))]TJ 0 -1.7 TD -0.0112 Tc (Final Score)Tj 0 -1.2 TD (\(From Conversion Chart\))Tj -2.4 -3.7 TD -0.0113 Tc (Raters Initials: )Tj 0 -1.7 TD 0 Tw [(Rater )-27.8(1)-138.3( . [)Tj 9 0 0 9 286.1731 330.7136 Tm 0 Tc 0 Tw (1)Tj 11.5 0 0 11.5 290.6731 330.7136 Tm (])Tj -20.9498 -3.7391 TD -0.0001 Tc -0.0102 Tw [(61)-413.2(The period of a pendulum is related to its length)]TJ 1.413 -1.6522 TD 0.005 Tw (by the formula: )Tj /F5 1 Tf 6.5676 0 TD 0 Tc 0 Tw (T)Tj /F3 1 Tf 7.993 0 0 7.993 149.4943 272.5087 Tm (2)Tj 11.5 0 0 11.5 156.4226 268.7137 Tm (=)Tj 24 0 0 24 166.2529 264.7135 Tm 0.6883 Tc [(\(\))688.5( )]TJ 9 0 0 9 204.8696 267.2137 Tm 0 Tc ()Tj /F10 1 Tf 11.5 0 0 11.5 215.4885 268.7137 Tm ( )Tj /F3 1 Tf 0.755 0 TD -0.0001 Tc (where )Tj /F5 1 Tf 2.8084 0 TD 0 Tc (g)Tj /F3 1 Tf 0.7359 0 TD -0.0001 Tc (repre-)Tj -17.2983 -1.6522 TD 0.2567 Tw [(sents the acceleration due to gravity)73.8(. D: 6.7 10^14 s, A duck floating on a lake oscillates up and down 5.0 times during a 10.-second interval as a periodic wave passes by. What fraction of a wavelength is this? You have the length. [)]TJ 9 0 0 9 257.4405 442.5636 Tm 0 Tc 0 Tw (1)Tj 11.5 0 0 11.5 261.8505 442.5636 Tm (])Tj 5.9585 25.3043 TD -0.0001 Tc 0.0915 Tw (Base your answers to questions 75 and 76 on the)Tj -1.0435 -1.1304 TD 0.025 Tw [(information below)73.8(. Humans can hear thunder at different frequencies. . . ___m (c)Find the speed of the wave. . . What is the frequency of the wave? . . How was the universe created if there was nothing? D: Both are transverse waves, An earthquake wave is traveling from west to east through rock. The frequency is decreasing. endobj Wave W has a, Raouls sister, A GOLF PRO, gave him basic instructions. endobj . A sound is a form of energy that is produced by vibrating bodies. . . . . . H"@]?oLtOCo (a)Find the frequency of the wave. . A: lower speed . 1 g /GS1 gs 12 782 m 12 782 l f q 1 i -1 793 614 -794 re 12 782 m W n 0 792.06 612 -792 re W n 42 744 528 -690 re f 25 33.282 564 -19 re f BT /F3 1 Tf 10 0 0 10 300.988 24.8627 Tm 0 g -0.0003 Tc 0 Tw ([d])Tj ET 1 g 25 766.17 563 -725.932 re f BT /F2 1 Tf 10 0 0 10 31 734.9923 Tm 0 g -0.0001 Tc (67)Tj ET 0 G 0 J 0 j 0.5 w 10 M []0 d 53.236 733.992 m 108.247 733.992 l S BT 10 0 0 10 108.2473 734.9923 Tm 0 Tc (v)Tj -7.7247 -4.8 TD -0.0001 Tc (68)Tj ET 53.236 685.992 m 108.247 685.992 l S BT 10 0 0 10 108.2473 686.9923 Tm 0 Tc (A)Tj -7.7247 -4.8 TD -0.0002 Tc 0.0278 Tw [(69)-1112(angle of incidence = )]TJ ET 152.968 637.992 m 207.979 637.992 l S BT 10 0 0 10 207.9793 638.9923 Tm 0 Tc 0 Tw ()Tj -15.4474 -3 TD -0.0002 Tc 0.0278 Tw [(angle of refraction = )]TJ ET 153.225 607.992 m 208.236 607.992 l S BT 10 0 0 10 208.2358 608.9923 Tm 0 Tc 0 Tw ()Tj -17.7236 -4.8 TD -0.0001 Tc (70)Tj 0 -21.8 TD (71)Tj 28.35 39.2 TD (72)Tj 0 -19.2 TD (73)Tj T* (74)Tj ET 336.736 349.992 m 391.747 349.992 l S BT 10 0 0 10 391.7473 350.9922 Tm 0 Tc (J)Tj -7.7247 -6 TD -0.0001 Tc (75)Tj 0 -23.4 TD (76)Tj ET 336.736 55.992 m 556.78 55.992 l S 1 w 24.5 766.67 564 -726.932 re 336.736 56.992 m S 306.077 767.134 m 306.077 39.576 l S 1 g 55.839 370.648 236.217 -326.741 re f Q 0 0 0 1 K 0 J 0 j 1 w 4 M []0 d /GS2 gs 1 i 94.414 265.029 143.333 -144.667 re S [4 4 ]0 d 202.414 192.862 m 202.414 335.862 l S 1.5 w 3.864 M []0 d 151.297 316.961 m 163.797 304.461 l S 0 0 0 1 k 163.797 304.461 m 164.563 308.291 l 168.394 299.865 l 159.967 303.695 l 163.797 304.461 l f* BT /F8 1 Tf 11 0 0 11 115.4141 340.8621 Tm 0 Tc 0 Tw [(Light)-4104.9(Nor)-25(m)0.1(al)]TJ 0 -5.1364 TD -0.0001 Tc (Air)Tj 0 -6.0454 TD 0 Tc [(Mater)-15(ial X)]TJ 11.5 -2.6818 TD (P)Tj ET 4 M 219.741 229.009 m 237.414 191.862 l 131.945 336.362 m 202.414 265.362 l 219.725 229.009 l S 219.725 229.009 m 221.755 232.346 l 222.472 223.118 l 215.864 229.599 l 219.725 229.009 l f* Long spring by vibrating its end the italicized word or phrase in each sentence ( 1-4 1.! 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