Handout 7.1.2.2 Wave speed. Wavelength. and Frequency

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Apr 3, 2024

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~OnRamps Mechanics, Heat, and Sound (PHY 302K) Name: k!"t4" ~Jv:q;,1di.(d Handout 7.1.2.2: Wave speed. Wavelength. and Frequency 1. Two students, 5.0 m apart, each hold an end of a long spring. It takes 1.2 seconds for a pulse to travel from the student generating the pulse to the lab partner'atthe opposite end ef ti 1e spring. a. How long will it take for the pulse to return to the "generator"? --·~ sec --- fl__ b. Explain the motion of the pulse passing through the spring. Calculate the speed of the < ' fj"' I 1 I I 2. The "generator'' in Problem 1 repeats the experiment _with a pulse of twi~ the original amplltude. Will the pulse take more time, less time, or the same time to reach the far end of the spring? Explain your answer. .,_. ...... --1' h-< 1 ~;i,.f ev-t t l 1 r1..r t n~ 1~flf., 7 l'l( fed () V d\f\ r (; {..( Jo A1 tla 1 .J."< /)tfl,l q I' lvlf( ('f (/U 3. The students move so that they are now twice as far apart but use the same spring. How will the speed of the pulse sent now compare to the speed of the pulse sent when they were 5.0 m apart? Explain your answer. l r,.(' "J r'-'A, l J l\.cv--~ ~t c-,1~ i,,~ t 11 tfl?"' ·, e, ·h 'le, M\ ·~vo\. /1~ r:o ,~r ITEXAS the IJr.1\'f:'Hl!)' uJ Tt<x;,,., ,., A:ntiu Mechanics, Heat, and Sound (PHY 302K) I 1 \
r ~OnRamps Mechanics, Heat, and Sound (PHY 302K) Name: _________ _ Characteristics of Waves 1. The illustration below shows a series of transverse waves. Label each part in the space provided. c_v~-r a. ------- "fP· Cvll.y.e l~ ~-u., ;·:\ c. U\.. (c 1 v /.-, ct. -rvoc..f "1 2. Below are a number of series waves. Underneath each diagram write the number of waves in the series. l a. Which of the above has the largest amplitude? ~OlMe b. Which of the above has the shortest wavelength? c. Which of the above has the longest wavelength? D ~,TEXAS 11\ir Un1rt1s~t)' i..! Tt'A.;n ;at ,,1.utm Mechanics, Heat, and Sound (PHY 302K) \ 2
~OnRamps Mechanics, Heat, and Sound (PHY 302K) Name: __________ _ 3 Sa_lly Sue, an enthusiastic physics student enjoyed the opportunity to collect data from st a nd ing waves in a spring. She and her partner he!ld the ends of their sprin~_ meters apart. T~_ere wer~ 5 nogles in the stao!JJpg wave produced. Sally moved he_r hancjf rom th e re st 8°s.ition back an'd fort I n the floor 20 times in 4.00 s. Sketch the situation a nd Beterminethe o owing: ' ' --; \ :'.-,, ' a. -~----Vl.-/llr-. ---, the wavelength of the wave Sally Sue sent rz_!Vl b. the frequency of the wave produced c. the speed of the wave ( {}1vtf7 ITEXAS '11"' lh:,m r.ly t..l Tea, .-t ,1.tntlJt Mechanics, Heat, and Sound (PHY 302K) I 3
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