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:

Heritability

A measure of how much of the variation in a trait among a population can be attributed to genetic differences.

Genetic Variation

Differences in the DNA sequence among individuals, which contribute to the uniqueness of each person's physical and behavioral characteristics.

Intelligence Test

A standardised assessment used to measure a person's intellectual capabilities and potential.

Heredity

The passing on of physical or mental traits genetically from one generation to another.