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23-03-2021
Physics

contestada

An object has a velocity of 9 m's and a mass of 20 kg. What is the kinetic energy of the object? A 90 J C. 810 J B 180 J D. 1,620 )

Respuesta :

23-03-2021

Answer:

K=1/2mv^2=(20x81)/2=810J

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