Two people person a and person b lift the same amount of weight but person a lifts it in a shorter amount of time who has more power and why

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.

Elements on the periodic table are ordered according to their

An object is kept at 45 m high and how much time will it take to reach the ground