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Kinematics suite: SUVAT, projectile, free-fall

Solve SUVAT unknowns, projectile flight, and free-fall in one lightweight tool with full calculation logs, root selection reasoning, shareable URLs, and plots.

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Quick start

  1. Select a mode (SUVAT / projectile / free-fall).
  2. Pick a preset and tweak numbers (units are shown next to each input).
  3. Press “Compute” to see results, steps, and the plot. Use “Copy shareable URL” to share the same scenario.

Note: acceleration and gravity are in m/s², and time is in seconds.

Mode
Presets

Shortcut: Alt+P applies the selected preset.

Tip: enter any 3 values, then select exactly one unknown to solve.

Select exactly one variable to solve.

Results

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Keyboard shortcuts: Alt+P applies the preset, Alt+L copies LaTeX, Alt+S copies the shareable URL.

How it’s calculated

    Plot

    Surface key teaching points, common pitfalls, and reminders for classroom demonstrations.

    FAQ

    How does the SUVAT mode pick a formula?

    The tool inspects the known variables and chooses the simplest equation that isolates the unknown, logging the substitutions, algebra, discriminant, and which root (t ≥ 0) is selected.

    What outputs are provided in the projectile mode?

    It resolves v₀, reports flight time, range, peak height, time to apex, logs both roots of y(t)=0, and renders the trajectory with apex and landing markers.

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