Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter17: Traveling Waves
Section: Chapter Questions
Problem 7PQ
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Question
ONLY NEED 11
Two pulses, traveling in the opposite directions, on the same string are described by the functions: Yi = (5x -4t) + 12, and y2 = -[(5x + 4t) + 6]
9.What is the speed of y2 wave? In which direction is y2 wave traveling? Hint: use the general definition of theWave, y = f(x-vt)
10.At what time do the two pulses cancel out each other? i.e. the resultant y1 + Y2 = 0.
11.The speed.of sound in Glycerine is 1944 mlsec. If the Bulk Modulus of Glycerine is 4.76 x 109 Pa, what is its density?
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