Acceleration is the rate of change of velocity over time.
F = m × a (Newton's 2nd Law). a = (v₂ - v₁) / t.
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The most frequent error is rounding intermediate values before completing the full calculation. Round only the final result — rounding intermediate steps compounds errors in multi-step calculations, sometimes significantly.
A business owner spots that revenue grew from £180,000 last year to £213,400 this year. The calculator confirms the increase is 18.6% — a figure needed for the annual report and for comparing against the industry growth rate cited in the sector report.
m/s² (meters per second squared)
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