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Calculator for Movement or Kinetic Energy

Calculates the energy of a movement from mass and velocity, with different units. This is the energy, which is needed to bring a body to speed, ignoring friction. The same amount of energy is set free, if a body with this speed is stopped.

Mass m:
Velocity v:
Energy E:

Round to    decimal places.



Please enter two values, the third value will be calculated. The formula for the movement energy or kinetic energy is E = m v² / 2, the unit joule is calculated as kilograms times square meters per square second, 1 J = 1 kg * m² / s².

Example: a 1500 kilograms heavy car is brought to a speed of 80 km/h. The energy needed to do this without friction is about 370 kilojoules.


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