Kinetic energy K = ½mv² calculator :: Equations

Physics

Kinetic Energy Calculator

Kinetic Energy Equation

$$ K = \frac{1}{2}mv^2 $$

$ K \, $ is kinetic energy in Joules (J)
$ m \, $ is mass in kilograms (kg)
$ v \, $ is velocity in metres per second (m/s)

$ K $

= $ \frac{1}{2} mv^2 $

= $ \frac{1}{2} \, \times \, $ $ \mathrm{kg} \quad $ $ \times \quad $ $ \mathrm{m/s} $

= $ \mathrm{J} $

= $ \mathrm{J} $ (to significant figures)

$ m $

= $ \displaystyle{\frac{2K}{v^2}} $

($ 2 \quad \times \quad $ ) $ \mathrm{J} \quad $

( $ \mathrm{m/s} $) ²

= $ \mathrm{kg} \quad $

= $ \mathrm{kg} \quad $ (to significant figures)

$ v $

= $ \displaystyle{\sqrt{\frac{2K}{m}}} \quad $

$ \sqrt{\phantom{xxxxxxx}} $

$ 2 \quad \times \quad $ $ \mathrm{J} \quad $

$ \mathrm{kg} $

= $ \mathrm{m/s} \quad $

= $ \mathrm{m/s} \quad $ (to significant figures)

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