Identical Particles Are Placed at the 50-Cm and 80-Cm Marks

question 48

Multiple Choice

Identical particles are placed at the 50-cm and 80-cm marks on a metre stick of negligible mass. This rigid body is then mounted so as to rotate freely about a pivot at the 0-cm mark on the metre stick. If this body is released from rest in a horizontal position, what is the angular speed of the metre stick as it swings through its lowest position?

• A)4.2 rad/s
• B)5.4 rad/s
• C)4.6 rad/s
• D)5.0 rad/s
• E)1.7 rad/s

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Definitions:

Promiscuity

Engaging in sexual behaviors with multiple partners without commitment or in a casual manner.

Operational Definitions

Specific descriptions of concepts involving the conditions of a scientific study.

Heritability

A measure of how much of the variation in a trait within a population is due to genetic differences.

Genetic Changes

Alterations in the DNA sequence that can lead to variations in traits or diseases.