John is lifting a 1.5 kg toy to a height of 1.2 m above the ground. how much work is done? ?

1.5*9.8*1.2

since the formula is force * distance.

1.2 is the distance. the force is gravity on the object (1.5*9.8)

The answer is 17.64 J . (18 J with sig figs)

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

cytokinesis is the splitting of a cell membrane to form 2 identical daughter cells. it's similar to mitosis as both cells have identical copies of dna and cytokinesis is a step in the mitotic cycle.