- #1

Gyroscope

## Homework Statement

A disk with width b and radius a.

An element of resistance is:

[tex]dR=\rho \frac{2\pi r}{bdr}[/tex]

How do I integrate this?

Thanks in advance.

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- Thread starter Gyroscope
- Start date

- #1

Gyroscope

A disk with width b and radius a.

An element of resistance is:

[tex]dR=\rho \frac{2\pi r}{bdr}[/tex]

How do I integrate this?

Thanks in advance.

- #2

berkeman

Mentor

- 59,267

- 9,421

- #3

Gyroscope

It's the sum of the resistances of each ring of the disk.

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