The above sentence shows a masculine subject "the firefighter", and the direct object for "the cat", lo, has been replaced with the cat itself. "va a rescatar" is also correct. So the sentence reads "the firefighter goes to rescue the cat".
A particle of 4 kg moves with an initial velocity of 3.0 m/s when it is at x = 0. This particle is subject to a single Fx force that varies with the position of the mode indicated in graph 6
