2 ) Evaluate g= 4π^2/s

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

Avoltaic cell converts chemical energy to

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat