Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Physics
Doppler Effect Calculator
Compute the observed frequency shift when a sound or wave source and observer move relative to each other. Perfect for physics coursework, radar, sonar, and astrophysics applications.
Fill in the required fields to see your result.
Physics
Simple Pendulum Calculator
Computes the period and frequency of a simple pendulum from its length and gravitational acceleration. Use it for clock design, physics experiments, and comparing pendulum behaviour on different planets.
Fill in the required fields to see your result.
Key differences
| Doppler Effect Calculator | Simple Pendulum Calculator | |
|---|---|---|
| Category | Physics | Physics |
| Inputs required | 5 | 4 |
| Result | Observed Frequency (Hz) | Period (s) |
| What it does | Compute the observed frequency shift when a sound or wave source and observer move relative to each other. Perfect for physics coursework, radar, sonar, and astrophysics applications. | Computes the period and frequency of a simple pendulum from its length and gravitational acceleration. Use it for clock design, physics experiments, and comparing pendulum behaviour on different planets. |