What this calculator does
Calculate translational kinetic energy, mass, or speed.
How it works
The calculator evaluates kinetic energy KE = ½ × mass m × speed v². 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-
?solveFor=Solve forChoice · Required · Default: energy · Accepted values: energy, mass, speed
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?energy=Kinetic energy (J)Number · Required · Default: 100
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?mass=Mass (kg)Number · Required · Default: 2
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?speed=Speed (m/s)Number · Required · Default: 10
Outputs
2-
resultSolved valueNumber · Primary output
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unitUnitText
Inputs and results
The inputs are Solve for, Kinetic energy (J), Mass (kg), Speed (m/s). Results include Solved value, Unit.