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

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Definitions:

Fires

Rapid, persistent chemical change that releases heat and light and is often accompanied by flame, especially the exothermic oxidation of a combustible substance.

Overwhelming Desire

An intense and consuming longing or craving, often so strong that it becomes difficult to manage or control.

Compulsion

Compulsion is a psychological condition characterized by the irresistible urge to perform specific acts repeatedly, often against the individual’s conscious wishes, as seen in disorders like Obsessive-Compulsive Disorder (OCD).

Compulsions

Repetitive behaviors or mental acts that an individual feels driven to perform in response to an obsession or according to rigidly applied rules.