Waves on a String: A crane lifts a 2500-kg beam at a steady rate of 15 cm/s using a steel cable whose mass per unit length is 0.65 kg/m. What is the speed of transverse waves on this cable?
A. 230 m/s
B. 580 m/s
C. 1200 m/s
D. 1900 m/s
E. 190 m/s
Answer: E
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