A2 m ramp is used to load a truck 1.0 moll of the ground. A man uses 600 N of force to Lunda box weighing 1200 N. What is the efficiency of the ramp? What is the mechanical
advantage of the ramp?

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?