Resposta :
[tex]\Large \text {$ \sf Ec = \dfrac {m.v^{2} } {2}$}[/tex]
[tex]\Large \text {$ \sf Ec= \dfrac {2.30^{2} } {2}$}[/tex]
[tex]\Large \text {$ \sf Ec = 900 J \dfrac {} {}$}[/tex]
[tex]\Large \text {$ \sf Ec = \dfrac {m.v^{2} } {2}$}[/tex]
[tex]\Large \text {$ \sf Ec= \dfrac {2.30^{2} } {2}$}[/tex]
[tex]\Large \text {$ \sf Ec = 900 J \dfrac {} {}$}[/tex]