Which means for obtaining hydrogen from water would require the most energy? ?

Why does lightning travel from clouds to the ground?

Which equation is mostly likely used to determine the acceleration from a velocity vs time graph

A5.0 kg box is on a frictionless surface. two forces act on the box as shown below. which best describes the motion of the box? the box will not move. the box will accelerate to the right. the box will move to the right with constant velocity. the box will move to the left with decreasing speed.