Calculating Center of Mass of a Hollow Nose Cone

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Homework Help Overview

The discussion revolves around calculating the center of mass of a hollow nose cone, which is a component of a rocket. The subject area includes concepts of physics related to mass distribution and geometry.

Discussion Character

  • Exploratory, Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • Participants discuss different methods for determining the center of mass, including a mathematical formula and a practical experimental approach involving suspension. Questions arise regarding the nature of the task, whether it is a theoretical math problem or a practical lab exercise.

Discussion Status

Some participants have offered mathematical and experimental approaches to finding the center of mass. The original poster expresses a need for this information in the context of a larger rocket project, indicating a productive direction in the discussion.

Contextual Notes

The original poster is working on a significant rocket project and is focused on determining the center of mass for various components to aid in the placement of fins.

mase5151
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I am working on a rocket and need to find the center of mass of a hollow nose cone. Any help would be appreciated.
 
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If the "nose cone" is a cone with base radius R and height h, with mass M, then the center of mass is on the axis at distance π&radic(h2+R2)hR/M.
 
Here's an alternate way, if its any easier for you. Suspend the hollow nose cone from a chosen point (by attaching a string to any point of the cone) and there will be a vertical line (90 degress relative to the Earth). Remember where this vertical line is. Then choose a different suspension point. The center of mass is where these two vertical lines intercect. Look at the pic if it helps. And make sure to do this with the same "side" of the cone.
 

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Are you doing a math problem, or a lab?
 
thanks for the help. I am working on a big rocket project and needed to find the center of mass for each part so we can figure out where we need to locate the fins.
 

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