The first paragraph is mainly organized as a a) definition of instrumental support with examples.
Ob) list of reasons for the positive influence of a social network.
c) contrast between positive and negative influences of family and friends.
Od) list of types of people to include in strong social networks.

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