A Ball Is Whirled on the End of a String

question 38

Multiple Choice

A ball is whirled on the end of a string in a horizontal circle at constant speed. Suddenly, the string breaks. Immediately after the string breaks, the ball will

• A) have a horizontal velocity away from the center of the circle.
• B) have a horizontal velocity that is tangential to the circle.
• C) have a horizontal velocity toward the center of the circle.
• D) have a horizontal velocity partly in away from the center of the circle and partly tangent to the circle.
• E) have no horizontal velocity.

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Definitions:

Healthcare

The organized provision of medical care to individuals or a community, including preventive, diagnostic, therapeutic, and rehabilitative services.

Emergency Room

A hospital unit specializing in immediate care for acute and life-threatening conditions.

Primary Care

Basic or initial healthcare services that focus on general wellness, the prevention of health issues, and the treatment of common illnesses or conditions.

Restraining Healthcare Spending

Efforts aimed at controlling the growth of healthcare costs to prevent them from consuming a disproportionate share of resources.