A Variable Force of the Form F=3x² + 2x

question 8

Multiple Choice

A variable force of the form F=3x² + 2x + 5 N acts on a 2 kg object as it moves from x = 2 m to x = 3 m.How much work is done by this force?

• A)-29 J
• B)29 J
• C)-18 J
• D)18 J
• E)17 J

Understand the taxonomic classification of various invertebrates, including arthropods and flatworms.

Identify key morphological and physiological adaptations of invertebrates to their environments.

Describe the evolutionary relationships and characteristics that link certain invertebrate groups.

Recognize the adaptations that enable terrestrial and aquatic life in invertebrates.

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Definitions:

Perceived Exertion Scale

A self-assessment tool used to measure the intensity of one's physical activity based on personal sensations of effort, breathlessness, and fatigue.

Exercise Intensity

The level of effort or exertion that an individual puts into physical activity, often categorized as low, moderate, or high.

Trimester

A term often used in pregnancy to divide the nine months into three periods of approximately three months each, for the purpose of tracking fetal development and maternal health.

Cardiorespiratory Fitness

The level at which the heart, lungs, and muscles work together during exercise for an extended period.