C) A truck, of mass 1250 kg, heading north crossed the median on the Jasper Highway, then slammed head -on at 25 ms-1 into a 625 kg car
heading south at 30 ms-1, i) What was the initial momentum of the truck?
Your answer​

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.