how do the kinetic energy of each of the following objects compare to one another? i. object of mass 2 kg traveling at constant velocity of 2.5 m/s in the x x direction ii. object of mass 1 kg traveling at constant velocity of 5 m/s in the x x direction iii. object of mass 1 kg traveling at constant velocity of 3 m/s in the x x direction and -4 m/s in the y y direction