Respuesta :

Answer:

4.5 Kj

Explanation:

[tex]kinetic energy \: = \frac{1}{2} m {v}^{2} [/tex]

m = 10kg

v = 30m/s

Ek = 1/2(10×30²)

= 5×900

= 4500

= 4.5 Kj

Answer:4500joules

Explanation:

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