Respuesta :
answer
45J
explanation
kinetic energy can be found through the equation [tex]K = \frac{mv^2}{2}[/tex]
plug in 10 for m (mass) and 3 for v (velocity)
[tex]K = \frac{mv^2}{2}\\K = \frac{10*3^2}{2}\\K = \frac{10*9}{2}\\K = \frac{90}{2}\\K = 45 J[/tex]