Kuinka laskea Free Fall
Mikä on 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.
Vaiheittainen opas
- 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)
Ratkaistut esimerkit
Syöte
Object dropped from 45m
Tulos
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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