Two Solid Spheres of Equal Size and Mass Are Joined

question 151

Multiple Choice

Two solid spheres of equal size and mass are joined by a spring-loaded,extendible rod.The whole unit is spinning like a baton (end-over-end) five times per second.Suddenly,the rod stretches,pushing the spheres farther apart.What change takes place as a result of the stretching?

• A) The angular momentum of the spheres and rod decreases.
• B) The angular momentum of the spheres and rod increases.
• C) The rate of spin of the spheres and rod decreases.
• D) The rate of spin of the spheres and rod increases.

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Definitions:

Proportion

Represents a part or fraction of a whole, often expressed as a percentage or ratio.

Sample Size

The quantity of observations accumulated in a sample originating from a broader population.

Population Proportion

A measure that represents the fraction of the total population possessing a certain characteristic or attribute.

Maximum Allowable Error

The largest error that is tolerated in the results of a measurement, maintaining the results within an acceptable range.