Chapter 14, Problem 031 A block of wood floats in fresh water with 0.675 of its volume V submerged and in oil with 0.871 V submerged. Find the density of (a) the wood and (b) the oil. Units (a) Number (b) Number Units

Chapter 14, Problem 031 A block of wood floats in fresh water with 0.675 of its volume V submerged and in oil with 0.871 V submerged. Find the density of (a) the wood and (b) the oil. Units (a) Number (b) Number Units

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Chapter 14, Problem 031
A block of wood floats in fresh water with 0.675 of its volume V submerged and in oil with 0.871 V submerged. Find the density of (a) the wood and (b) the oil.
Units
(a) Number
(b) Number
Units

Expert Solution

Step 1

As wooden block floats on water, buoyant force exerted by water on block will be equal to the weight of block acting downwards.

moP(0.675Vk)
Psioc Vliock =(0.675)P,Vsedk
Petoeck =(0.675)P
(0.675)(1000kg/m2)
675kg/m3
block

Step 2

Answer: 675 kg/m³

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