Answered: The total mass of a rod 2 meters long…

The total mass of a rod 2 meters long is 18 kg. If the linear density varies directly as the cube of the distance of the point from one end, find the linear density at the midpoint of the rod.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter9: Fluids And Solids

Section: Chapter Questions

Problem 78AP

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Concept explainers

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.

Question

3. The total mass of a rod 2 meters long is 18 kg. If the linear density varies directly as the cube of
the distance of the point from one end, find the linear density at the midpoint of the rod.

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