Calculating Sphere Volume Using Trig Substitution

Click For Summary
SUMMARY

The discussion focuses on calculating the volume of a sphere with radius R using integration in Cartesian coordinates, specifically through trigonometric substitution. Participants express confusion regarding the appropriate integral to use and the limits of integration. The equation of a sphere, R = √(x² + y² + z²), is referenced, but clarity on the integration process is lacking. The hint provided suggests utilizing trigonometric substitution to simplify the integral over dy.

PREREQUISITES
  • Understanding of Cartesian coordinates and their application in volume calculations.
  • Familiarity with the equation of a sphere, R = √(x² + y² + z²).
  • Knowledge of integration techniques, particularly trigonometric substitution.
  • Basic calculus concepts, including limits of integration.
NEXT STEPS
  • Study the method of trigonometric substitution in integrals.
  • Learn how to set up and evaluate triple integrals in Cartesian coordinates.
  • Explore the derivation of the volume of a sphere using integration.
  • Review examples of volume calculations for different geometric shapes using integration.
USEFUL FOR

Students studying calculus, particularly those focusing on integration techniques, as well as educators seeking to clarify volume calculations for geometric shapes.

kristian321
Messages
2
Reaction score
0

Homework Statement



find the volume of a sphere of radius R by integrating over the primary volume elements in cartesian coordinates. Hint: use a trig substitution for your integral over dy

Homework Equations





The Attempt at a Solution



I don't understand what the problem wants me to do. I know equation of a sphere is R=sqrt(x^2+y^2+z^2) and maybe integrating will give me the volume. And if what would my limits be? Are they 0 to R for all?
 
Physics news on Phys.org


kristian321 said:

Homework Statement



find the volume of a sphere of radius R by integrating over the primary volume elements in cartesian coordinates. Hint: use a trig substitution for your integral over dy

Homework Equations





The Attempt at a Solution



I know the limits for the integration. But I can't figure out what equation I'm supposed to integrate over
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 9 ·
Replies
9
Views
3K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 8 ·
Replies
8
Views
3K
  • · Replies 21 ·
Replies
21
Views
3K
  • · Replies 16 ·
Replies
16
Views
5K
  • · Replies 3 ·
Replies
3
Views
5K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K