# The equation given that the statement ### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071 ### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

#### Solutions

Chapter 1.11, Problem 14E
To determine

## To find:The equation given that the statement

Expert Solution

The equation is S=krθ

### Explanation of Solution

Given:

V is jointly proportional to rθ

Concept used:

If the quantities x , y and z are related by an equation

z=kxy

Where k is nonzero constant

That is z varies jointly as x or z isjointly proportional to xandy

The constant k is called constant proportionality

Calculation:

If the quantities S,r and θ are related by an equation

Sαrθ

S=krθ

For some constant k0

That is S varies jointly as rθ or V is jointly proportional to rθ

The constant k is called constant proportionality

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