Concept explainers
To express: Each equation as a variation (in words).
Answer to Problem 4OE
The equation is expressed as a variation as follows:
M varies jointly as j and square of m and inversely as r.
Explanation of Solution
Given information:
The following equation:
where k is a constant and other letters are variables.
The equation
M varies jointly as j and square of m and inversely as r.
When a quantity varies directly as the product of two or more other quantities, the variation is called joint variation.
A function defined by an equation in the form
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