The figure (Figure 1)shows a snapshot graph of a wave traveling to the right along a string at 45m/s. Please help, trying to figure out what I did wrong for the first and third questions thank you. The figure (Figure 1)shows a snapshot graph of awave traveling to the right along a string at45 m/s.At this instant, what is the velocity of point 1 on the string?Express your answer to three significant figures and include the appropriate units.X•10"radValuemSubmitPrevious Answers Request AnswerX Incorrect; Try Again; 5 attempts remainingPart BWhat is the velocity of point 2 on the string at the same instant?Express your answer as an integer and include the appropriate units.Figure< 1 of 1SubmitPrevious AnswersD (em)45 m/sv Correct2Part C-2-30 cmWhat is the velocity of point 3 on the string at the same instant? Part CWhat is the velocity of point 3 on the string at the same instant?Express your answer to three significant figures and include the appropriate units.Ti HA?18.8495592SFigure< 1 of 1>SubmitPrevious Answers Request AnswerD (cm)45 m/sX Incorrect; Try Again; 3 attempts remainingCheck your signs.2-230 cm< Return to AssignmentProvide Feedback

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Two wave pulses on a string, each traveling 2 cm/s, are approaching each other. The first diagram below shows the shape of the string at time = 0 seconds. Draw what the string looks like at t = 1 second on the next graph. The axes are in cm.
A wave on a string is described by D (z, t) = (2.2 cm) x sin [27 (z/ (8.4 m) + t/ (0.20 s) + 1)]. where I is in m and t is in S. Submit Correct Part D What is the wave number? Express your answer with the appropriate units. k = 0.75 Previous Answers Submit Part E rad m Previous Answers Correct Correct answer is shown. Your answer 0.748 m required for this part. At t= 0.70 s, what is the displacement of the string at z = 9.1 m? Express your answer with the appropriate units. μA D(9.1 m, 0.70 s) = Value Submit Previous Answers Request Answer (=0.748 rad :) was either Units X Incorrect; Try Again; 5 attempts remaining ?
Make sure you answer all other wise I will give downvote 1. a) A wave is described by y= sin(5z -6t). This wave is a Marcel wave. standing wave. traveling wave. longitudinal wave. b) A wave is described by y= sin(5z -6t). The speed of this wave along the z-axis is 1.5 1.2 5 0.77 c) A wave is traveling along a stretched string with amplitude A and frequency f. You can tell there is energy stored in the wave because if you touch the string it whacks your hand so hard that it stings. If the amplitude of the wave is doubled, then the energy stored in a one-foot length of the vibrating string changes by a factor of 4 0.5 0.25 2 d) A wave is traveling along a stretched string with amplitude A and frequency f. You can tell there is energy stored in the wave because if you touch the string it whacks your hand sp hard that it stings. If the frequency of the wave is reduced by 1/2, then the energy stored in a one-foot length of the vibrating string changes by a…
EXAMPLE 14.4 GOAL Solve a Doppler shift problem when only the source is moving. Listen, but Don't Stand on the Track PROBLEM A train moving at a speed of 40.0 m/s sounds its whistle, which has a frequency of 5.00 x 10² Hz. Determine the frequency heard by a stationary observer as the train approaches the observer. The ambient temperature is 24.0°C. STRATEGY Get the speed of sound at the ambient temperature using the relevant equation, then substitute values into the Doppler shift equation. Because the train approaches the observer, the observed frequency will be larger. Choose the sign of vs to reflect this fact. SOLUTION Calculate the speed of sound in air at T = 24.0°C. The observer is stationary, so vo = 0. The train is moving toward the observer, so vs = 40.0 m/s (positive). Substitute these values and the speed of sound into the Doppler shift equation. V = (331 m/s) √T/ 273 K = (331 m/s) √(273 + 24.0) K/ 273 K = $ (v + √² ) = fo=fs ( = 566 Hz = (5.00 x 10² Hz) 345 m/s 345 m/s 345…
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ConstantS I Periodic Table (Figure 1) shows a standing wave on a string. Point A on undo ng is shown at time t = 0. Part A For t >0, what are the earliest times, in terms of the wave's period T , that points B, C, and D reach the positions shown? Express your answer in terms of T separated by commas. ? tв, tc, tp 3D Submit Request Answer Provide Feedback Next > Figure 1 of 1 > A В D C
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A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.90 s for the boat to travel from its highest point to its lowest, a total distance of 0.620 m. The fisherman sees that the wave crests are spaced 7.80 m apart. Part A How fast are the waves traveling? v = 1.34 m/s Submit Part B Previous Answers Correct Correct answer is shown. Your answer 1.345 m/s was either rounded differently or used a different number of significant figures than required for this part. Important: If you use this answer in later parts, use the full unrounded value in your calculations. What is the amplitude of each wave? A = 0.310 m Submit Previous Answers Review | Constants Correct <