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Chapter 15 Test
Chapter 15 Test
1. A transverse wave travels along a metal guitar string at a speed of 39.5 m/s. The tuning peg connected to the string is turned until the tension in the string is doubled. Everything else remains unchanged. What is the new speed of a transverse wave on the string?
Give your answer in m/s rounded to a reasonable number of significant figures. Do not enter the units in to the answer box.
2. A transverse wave travels along a metal guitar string at a speed of 33.7 m/s. The string is then exchanged for a string with twice the volume mass density (i.e., kg/m3). Everything else remains unchanged. What is the new speed of a transverse wave on the string?
Give your answer in m/s rounded to a reasonable number of significant figures. Do not enter the units in to the answer box.
3. A transverse wave is traveling along a metal wire with a speed of 36.6 m/s. As the wave propagates, it reaches a location where the diameter of the wire doubles. The composition of the wire and the tension in this new region are both unchanged. What is the speed of the wave after entering this new thicker part of the wire?
Give your answer in m/s rounded to a reasonable number of significant figures. Do not enter the units in to the answer box.