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

question 114

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