Respuesta:
t: 3,19s.
V: 31,3 m/s.
Explicación:
Datos:
Vo: 0
h: 50m.
t: ?
V: ?
Formula.
h: Vo.t+\frac{1}{2} .g.t^{2}h:Vo.t+21.g.t2
V^{2} : Vo+2.g.hV2:Vo+2.g.h
Solución.
\begin{gathered}50m: o.t+\frac{1}{2} .9,8 \frac{m}{s^{2} } 50m: 4,9 \frac{m}{s^{2} } \frac{50m}{4,9\frac{m}{s^{2} } } \\\sqrt{10,20s^{2} } : t\\3,19s: t\end{gathered}50m:o.t+21.9,8s2m50m:4,9s2m4,9s2m50m10,20s2:t3,19s:t
V{2}:Vo+2.g.hV2:Vo+2.g.h
V{2} : 0{2} +2. 9,8 \frac{m}{s^{2} } .50mV2:02+2.9,8s2m.50m
V: \sqrt{980\frac{m^{2} }{s^{2} } } :V:980s2m2:
V: 31,3 \frac{m}{s}V:31,3sm
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Respuesta:
Respuesta:
t: 3,19s.
V: 31,3 m/s.
Explicación:
Datos:
Vo: 0
h: 50m.
t: ?
V: ?
Formula.
h: Vo.t+\frac{1}{2} .g.t^{2}h:Vo.t+21.g.t2
V^{2} : Vo+2.g.hV2:Vo+2.g.h
Solución.
\begin{gathered}50m: o.t+\frac{1}{2} .9,8 \frac{m}{s^{2} } 50m: 4,9 \frac{m}{s^{2} } \frac{50m}{4,9\frac{m}{s^{2} } } \\\sqrt{10,20s^{2} } : t\\3,19s: t\end{gathered}50m:o.t+21.9,8s2m50m:4,9s2m4,9s2m50m10,20s2:t3,19s:t
V{2}:Vo+2.g.hV2:Vo+2.g.h
V{2} : 0{2} +2. 9,8 \frac{m}{s^{2} } .50mV2:02+2.9,8s2m.50m
V: \sqrt{980\frac{m^{2} }{s^{2} } } :V:980s2m2:
V: 31,3 \frac{m}{s}V:31,3sm