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# The density of a floating body can be determined bytying

ISBN: 9780071284219 39

## Solution for problem 142P Chapter 3

Fluid Mechanics | 2nd Edition

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Problem 142P

The density of a floating body can be determined bytying weights to the body until both the body and the weights are completely submerged, and then weighing them separately in air. Consider a wood log that weighs 1540 N in air. If it takes 34 kg of lead (ρ = 11,300 kg/m3) to completed sink the log and the lead in water, determine the average density of the log.

Step-by-Step Solution:

Solution to 142P

Step 1 of 4</p>

We need to find the average density of the wooden log if it is tied onto a lead weight and submerged in water.

Given data:

For a body to be completely submerged in a liquid and floating on to, the density of the body and the density of the liquid must be same so that the buoyant force and the gravitational force will become equal.

Here,

=force

is density

=acceleration due to gravity

= volume

=height

= area

Step 2 of 4</p>

=

Step 3 of 4

Step 4 of 4

##### ISBN: 9780071284219

This full solution covers the following key subjects: log, body, air, weights, lead. This expansive textbook survival guide covers 15 chapters, and 1547 solutions. The answer to “The density of a floating body can be determined bytying weights to the body until both the body and the weights are completely submerged, and then weighing them separately in air. Consider a wood log that weighs 1540 N in air. If it takes 34 kg of lead (? = 11,300 kg/m3) to completed sink the log and the lead in water, determine the average density of the log.” is broken down into a number of easy to follow steps, and 69 words. Since the solution to 142P from 3 chapter was answered, more than 405 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 142P from chapter: 3 was answered by , our top Engineering and Tech solution expert on 07/03/17, 04:51AM. This textbook survival guide was created for the textbook: Fluid Mechanics, edition: 2. Fluid Mechanics was written by and is associated to the ISBN: 9780071284219.

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