Respuesta :

maxhwoy
The formula of the kinetic energy is:
[tex] E_{k} = \frac{m v^{2} }{2} [/tex]
where m is a mass of the object, v is speed of the object at the moment of time. So we have:
[tex] E_{k} = \frac{10* 20^{2} }{2} = 2000J[/tex]
The answer is 2000 Joules.

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