Respuesta:
[tex]h = vo \times t + \frac{g \times {t}^{2} }{2} \\ vo = 0 \\ 120 = \frac{9.8 \times {t}^{2} }{2} \\ t = \sqrt{ \frac{120 \times 2}{9.8} } \\ t = 4.95seg[/tex]
[tex] {vf}^{2} = {vo}^{2} + 2g \times h \\ vo = 0 \\ vf = \sqrt{2 \times 9.8 \times 120} \\ vf = 48.5 \frac{m}{s} [/tex]
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Respuesta:
[tex]h = vo \times t + \frac{g \times {t}^{2} }{2} \\ vo = 0 \\ 120 = \frac{9.8 \times {t}^{2} }{2} \\ t = \sqrt{ \frac{120 \times 2}{9.8} } \\ t = 4.95seg[/tex]
[tex] {vf}^{2} = {vo}^{2} + 2g \times h \\ vo = 0 \\ vf = \sqrt{2 \times 9.8 \times 120} \\ vf = 48.5 \frac{m}{s} [/tex]