Kako izračunati Free Fall
Kaj je Free Fall?
Free fall is the motion of an object falling solely under gravity, with no air resistance. Near Earth's surface, all objects accelerate at g = 9.81 m/s² regardless of mass — a fact Galileo demonstrated and Einstein explained through general relativity.
Navodila po korakih
- 1Velocity at time t: v = g × t (starting from rest)
- 2Distance fallen: d = ½ × g × t²
- 3Time to fall distance d: t = √(2d / g)
- 4Velocity after falling height h: v = √(2gh)
Worked Examples
Vnos
Object dropped from 45m
Rezultat
3.03 seconds · velocity 29.7 m/s (107 km/h)
t=√(2×45/9.81)=3.03s; v=9.81×3.03=29.7
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