How Do You Calculate the Volume Between a Cone and a Sphere?

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SUMMARY

The discussion focuses on calculating the volume between a cone defined by the equation z = r and a sphere represented by x² + y² + z² = 8. The volume in question is located outside the cone and inside the hemisphere above the xy-plane. Participants clarify that the top of the cone intersects with the sphere, emphasizing the importance of visualizing the orientation of the cone to understand the volume accurately.

PREREQUISITES
  • Understanding of calculus, specifically integral calculus.
  • Familiarity with three-dimensional geometry, including cones and spheres.
  • Knowledge of spherical coordinates for volume calculations.
  • Ability to visualize geometric shapes and their intersections in 3D space.
NEXT STEPS
  • Study the method of calculating volumes using triple integrals in spherical coordinates.
  • Learn how to visualize and sketch three-dimensional shapes and their intersections.
  • Explore the concept of solid angles and their applications in volume calculations.
  • Investigate the use of software tools like GeoGebra for visualizing complex geometric shapes.
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Students and professionals in mathematics, physics, and engineering who are interested in advanced volume calculations and geometric visualization techniques.

stratusfactio
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The question asks to find an integral that gives the specified volume

below the cone z=r, above the xy-plane, and inside the sphere x^2 + y^2+z^2 = 8.

So essentially, we're finding the volume inside the cone? I know that the very top of the cone would include the top of the sphere.

So does below cone = inside cone?
 
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stratusfactio said:
The question asks to find an integral that gives the specified volume

below the cone z=r, above the xy-plane, and inside the sphere x^2 + y^2+z^2 = 8.

So essentially, we're finding the volume inside the cone?
No, it's the volume outside the cone, but inside the hemisphere. The cone comes to a point at the origin, and gets larger as z increases.
stratusfactio said:
I know that the very top of the cone would include the top of the sphere.
Have you drawn a sketch of the situation? I don't think you have a good idea of the orientation of the cone.
stratusfactio said:
So does below cone = inside cone?
No, outside the cone.
 

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