Respuesta :

Answer:

49 J

Explanation:

All we have to do here is use the equation KE= [tex]\frac{1}{2}[/tex]m[tex]v^{2}[/tex]. Since the mass is 2kg and the speed is 7 m/s, we can plug in the values.

KE= [tex]\frac{1}{2}[/tex](2)([tex]7^{2}[/tex])

KE= 49 J.

jessie422
Answer : 49 J
hope this helped!
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