Concept explainers
To find the ratio of the radius of the new pipe to that of old pipe.
Answer to Problem 9P
Explanation of Solution
Given:
An old pipe is to be replaced by a new one so that twice as much water can flow through the pipe.
Calculation:
Let the radius of the old water pipe be
and the radius of the new water pipe be
The area of the old water pipe is given by:
The area of the new water pipe is given by:
The new pipe allows twice water as the old pipe.
So,
The ratio of the radius of the new pipe to that of the old pipe is
Chapter 11 Solutions
Algebra: Structure And Method, Book 1
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