A 6 kg object is initially at rest.  It experiences a net force that acts from t = 0 s to t = 3.1 s.  The force is given by Fnet(t) = 5 t2 i + 5 t6 j  (N).  Calculate the speed of the mass after this impulse, in m/s. (Please answer to the fourth decimal place - i.e 14.3225)

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