jessie12004 jessie12004 25-01-2018 Physics contestada a box has a mass of 5.8 kg the box is lifted from the garage floor and placed on a shelf 2.5 M off the ground how much gravitational potential energy energy does the Box have before it falls off the shelfa 18.3 J B100 42.1 m / s c 14.5 Jd 142.1 J