A Crane Lifts a 2500-Kg Beam at a Steady Rate

question 505

Multiple Choice

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) 190 m/s
• B) 580 m/s
• C) 1900 m/s
• D) 230 m/s
• E) 1200 m/s

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