QuickCalci Formulas

Kinetic Energy — Worked Examples

Five real-world examples demonstrating the Kinetic Energy formula (½mv²).

1

Cyclist at 10 m/s

Typical cycling speed

Inputs

m 80

v 10

Result

KE 4000.00

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2

Tennis Ball Serve

Fast serve at 50 m/s

Inputs

m 0.057

v 50

Result

KE 71.25

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3

Car at 30 m/s (108 km/h)

Highway speed kinetic energy

Inputs

m 1400

v 30

Result

KE 630000.00

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4

Bullet (0.01 kg, 900 m/s)

Rifle bullet in flight

Inputs

m 0.01

v 90

Result

KE 4050.00

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5

Falling Skydiver

Before parachute opens

Inputs

m 80

v 55

Result

KE 121000.00

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