A ball falls off a building which has a height of 100 meters. It hits the ground 4 seconds later. What is the displacement of the ball? *

Which of the following are guidelines to follow for obtaining accurate observations

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

Which levels of government establish and implement educational requirements for minors