If you try to touch your toes while standing flat against a wall, you probably will fall over. the reason this happens is that

a. your center of gravity is not located directly above your support area.

b. your center of gravity is outside your support area.

c. both a and b -incorrect

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f