Set latitude; read the effective precession rate; compare to Ω_E sin|λ|.
Fit Ω versus sin|λ|; slope equals Earth rotation rate Ω_E.
Ω(λ) = Ω_E sin|λ| for the Foucault sketch. Fit straight line: slope = Ω_E.
The fitted slope matches Ω_E within tolerance.
| № | |λ| (deg) | sin|λ| | Ω (rad/s) | |
|---|---|---|---|---|
| No measurements yet — take your first reading. | ||||
Opens the system print dialog — choose “Save as PDF” or your printer. Header and footer are hidden when printing.
One click opens the print dialog — choose “Save as PDF”.
Generated: 27 Apr 2026, 02:34
Fit Ω versus sin|λ|; slope equals Earth rotation rate Ω_E.
| # | |λ| (deg) | sin|λ| | Ω (rad/s) |
|---|---|---|---|
| No measurements yet — take your first reading. | |||
Add at least 2 measurements to compute the fit.
The fitted slope matches Ω_E within tolerance.
PhysSandbox virtual lab — values come from your session; add your own discussion of error sources.