A positively cambered airfoil produces what kind of pitching moments with increases in Angle of Attack? A. No pitching moments
B. Small nose-up moments
C. Large nose-up moments
D. Nose-down pitching moments

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

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?