Main content
Course: Differential Calculus?>?Unit 4
Lesson 4: Introduction to related rates- Related rates intro
- Analyzing problems involving related rates
- Analyzing related rates problems: expressions
- Analyzing related rates problems: expressions
- Analyzing related rates problems: equations (Pythagoras)
- Analyzing related rates problems: equations (trig)
- Analyzing related rates problems: equations
- Differentiating related functions intro
- Worked example: Differentiating related functions
- Differentiate related functions
? 2024 Khan AcademyTerms of usePrivacy PolicyCookie Notice
Analyzing related rates problems: equations
Problem
Zhenghao was given this problem:
The radiusof a sphere is decreasing at a rate of meter per hour. At a certain instant , the radius is meters. What is the rate of change of the volume of the sphere at that instant?
Which equation should Zhenghao use to solve the problem?