The Figure Shows the Speed as a Function of Time

question 43

Multiple Choice

The figure shows the speed as a function of time for an object in free fall near the surface of the earth. The object was dropped from rest in a long evacuated cylinder.
-What is the speed of the object 3.0 seconds after it is dropped?

• A)3.0 m/s
• B)7.7 m/s
• C)9.8 m/s
• D)29 m/s
• E)This cannot be determined since there is no specified value of height.

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Definitions:

Upstream View

A perspective focusing on the early causes or preventive measures for issues, often used in health promotion to address factors before they result in problems.

Metaphor

A figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable, often used to make a comparison without using "like" or "as".

Blood-Pressure Screening

The measurement of the force of blood against the walls of arteries to identify potential health issues.

Level of Prevention

Refers to the strategies aimed at preventing disease or injury before it occurs (primary), minimizing impact after it does (secondary), or managing long-term effects and rehabilitation (tertiary).