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Rotational Kinetic Energy

Calculate rotational kinetic energy (j) using the rotational kinetic energy formula.

Rotational kinetic energy (J): -
Visual representation

Rotational Kinetic Energy diagram

The diagram updates with your entries and is illustrative, not necessarily drawn to scale.

Calculation explained

How this result was calculated

The formula, your substituted values, and the evaluated result are shown below.

Reference: Formulae and Tables, State Examinations Commission (2014), page 54.
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How the Rotational Kinetic Energy works

This calculator applies the formula given in Formulae and Tables, State Examinations Commission (2014), page 54. Enter values in consistent units.

Formula and inputs

inertia × omega × omega ÷ 2

Inputs: Moment of inertia (kg·m²), Angular velocity (rad/s).

Using the result

The result is rounded to 4 decimal places. Check units, assumptions and significant figures before using the answer.

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