Free Fall Calculator

Time and impact speed from height.

Input Parameters

Fall height (m)

Fall time (s)4.52

Impact speed44.3

Impact speed159.5

175 available

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Free-fall time and impact speed from drop height at g = 9.81.

Formulas?

t = √(2h/g), v = √(2gh).

Air resistance?

Ignored — vacuum upper bound on speed.

100 m check?

About 4.52 s and 44.3 m/s (≈159 km/h).