Physics
Basic

Kinetic Energy

Energy of a moving object.

Formula

KE=12mv2KE = \frac{1}{2}mv^2

Variables

mMass (kg)
vVelocity (m/s)

Example

A 2 kg ball at 3 m/s: KE = ½·2·3² = 9 J.

Did You Know?

Because kinetic energy depends on speed squared, doubling your car's speed quadruples the energy in a crash.

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