What this calculator does
Calculate impulse and momentum change from mass and initial/final velocity.
How it works
The calculator evaluates J = Δp = m(vf − vi); average force = J ÷ Δt. Inputs are checked before calculation, and invalid values such as zero denominators or out-of-range selections produce a clear error instead of a misleading result.
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
4-
?mass=Mass (kg)Number · Required · Default: 2
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?initialVelocity=Initial velocity (m/s)Number · Required · Default: 5
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?finalVelocity=Final velocity (m/s)Number · Required · Default: 15
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?time=Time interval (s)Number · Required · Default: 0.2
Outputs
4-
impulseImpulse Δp (N·s)Number · Primary output
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initialMomentumInitial momentum (kg·m/s)Number
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finalMomentumFinal momentum (kg·m/s)Number
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averageForceAverage force (N)Number
Inputs and results
The inputs are Mass (kg), Initial velocity (m/s), Final velocity (m/s), Time interval (s). Results include Impulse Δp (N·s), Initial momentum (kg·m/s), Final momentum (kg·m/s), Average force (N).