A 70-Kg Rock Is Subject to a Variable Force Given by by the Equation

question 26

Short Answer

A 7.0-kg rock is subject to a variable force given by the equation
F(x)= 6.0 N - (2.0 N/m)x + (6.0 N/m²)x²
If the rock initially is at rest at the origin,find its speed when it has moved 9.0 m.

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Definitions:

Stone Tools

Tools made by early humans and hominins, crafted from stone and used for a variety of purposes, including hunting and cutting.

Cognitive Ethology

A branch of ethology that studies the mental experiences of animals, particularly their cognitive processes and consciousness.

Nonhuman Animals

Living organisms that are not human beings, often referred to in contexts of biological, psychological, or ethical studies.

Mental Age

An assessment of an individual's mental development as compared to the norms for their chronological age.