Newton’s second law (F = m·a)
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Open calculatorKinetic & potential energy
KE = ½ m v² and PE = m g h (using standard gravity g = 9.81 m/s², speed in m/s and height in metres).
kg
m/s
m
Kinetic energy (KE)
3,500 J
Potential energy (PE)
1,373.4 J
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A 70 kg runner moving at 10 m/s carries 3,500 J of kinetic energy.
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