A 20-Kg Object Is Moving Without Friction Along the X-Axis

question 12

Multiple Choice

A 2.0-kg object is moving without friction along the x-axis. The potential energy curve as a function of position is shown in the figure, and the system is conservative. If the speed of the object at the origin is 4.0 m/s, what will be its speed at 7.0 m along the +x-axis?

• A) 4.0 m/s
• B) 4.2 m/s
• C) 4.4 m/s
• D) 4.6 m/s
• E) 9.8 m/s

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Definitions:

Heritability Estimates

Statistical measures that indicate what proportion of variation in a trait within a population can be attributed to genetic differences among individuals.

Twin Studies

A research method in psychology that compares the similarity between identical and fraternal twins to understand the influence of genetics versus environment on human behavior and traits.

Family Relationships

Emotional, social, and biological connections among family members, which can significantly influence individual behavior and mental health.

Genetic Material

The molecules inside cells that carry genetic information, essential for inheritance and controlling the cells' functions.