In the example of the racetrack, what was the average displacement at the end of the race?
20 km/h N
50 km/h N
50 km/h
0

Which three statements represent the benefits of performing experiments using computer simulations?

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180