Respuesta :

Hania12

Answer:

1250kg

Explanation:

we can solve this using the formula for the Kinetic Energy

[tex]Kinetic.Energy=\frac{1}{2}*mass*velocity^{2}\\mass=\frac{2*Kinetic.Energy}{velocity^{2}}\\mass=\frac{2*90000}{12^{2}}\\\\mass=1250kg[/tex]

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