[tex]ec = \frac{m \times {v}^{2} }{2} [/tex]
[tex]ec = \frac{8kg \times (4 \frac{m}{s} {)}^{2} }{2} [/tex]
[tex]ec = \frac{8kg \times16 \frac{ {m}^{2} }{ {s}^{2} } }{2} [/tex]
[tex]ec = 64 \: j[/tex]
Respuesta : E) 4 m/s
By: KoToAmAtSuKaMi.
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[tex]ec = \frac{m \times {v}^{2} }{2} [/tex]
[tex]ec = \frac{8kg \times (4 \frac{m}{s} {)}^{2} }{2} [/tex]
[tex]ec = \frac{8kg \times16 \frac{ {m}^{2} }{ {s}^{2} } }{2} [/tex]
[tex]ec = 64 \: j[/tex]
Respuesta : E) 4 m/s
By: KoToAmAtSuKaMi.