Respuesta:
120km/h*(1000m/1km)*(1h/3600s)=33.33m/s
Ec = (m*v²) / 2
Ec = (1000kg * (33.33m/s)² )/2
Ec = 555.56x10³J
Datos
[tex]Ec= ?[/tex]
[tex]m=1000 kg[/tex]
[tex]V=120km/h[/tex]
Fórmula y despejes
[tex]Ec=-mv[/tex]
Sustitución
[tex]120\frac{km}{h}(\frac{000m}{km} )(1\frac{h}{3600s} )=33.33m/s[/tex]
[tex]Ec=-(1000kg)(33.33m/s)[/tex]
[tex]555,44. 45 J[/tex]
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Respuesta:
120km/h*(1000m/1km)*(1h/3600s)=33.33m/s
Ec = (m*v²) / 2
Ec = (1000kg * (33.33m/s)² )/2
Ec = 555.56x10³J
Datos
[tex]Ec= ?[/tex]
[tex]m=1000 kg[/tex]
[tex]V=120km/h[/tex]
Fórmula y despejes
[tex]Ec=-mv[/tex]
Sustitución
[tex]120\frac{km}{h}(\frac{000m}{km} )(1\frac{h}{3600s} )=33.33m/s[/tex]
[tex]Ec=-(1000kg)(33.33m/s)[/tex]
[tex]555,44. 45 J[/tex]