Pressure belts from convection cells, along with the Coriolis effect create patterns of calm areas across the Earth. These are areas with little to no wind. Choose the word pair that correctly identifies these global calm
areas
ant
ard
trade winds; horse latitudes
horse latitudes doldrums
trade winds doldrums

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