FORMULA
KE
Choose KE or GPE
ROUNDING
2DP
Result rounding only
MASS (m)
kg
kilograms (kg)
SPEED (v)
m/s
metres per second (m/s)
REMEMBER
½mv²
KE uses v²
WORKING
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ENERGY
READY
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PAGE 1/2
FORMULA
KE
Choose KE or GPE
ROUNDING
2DP
Result rounding only
MASS (m)
kg
kilograms (kg)
SPEED (v)
m/s
metres per second (m/s)
REMEMBER
½mv²
KE uses v²
WORKING
—
—
—
—
—
ENERGY
READY
—
PAGE 1/2
HOW TO USE
1) Choose KE or GPE
2) Enter the values
3) Press SOLVE
4) Result is in J
KINETIC ENERGY
KE = ½mv²
m in kg, v in m/s
Square v first (v²)
GPE
GPE = mgh
h in metres (m)
g ≈ 9.8 (or 10)
WORKED EXAMPLES
KE: m=2, v=6
½×2×6² = 36 J
GPE: m=3, h=5, g=9.8
3×9.8×5 = 147 J
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