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Challenge : Word Problems for Distance and DisplacementIn each of these situations, use a diagram plotted on graph paper to help you explain your answers.A truck travels to and from a stone quarry that is located 2.5km to the east.What is the total distance travelled by the truck?What is the displacement?A whale swims due east for a distance of 7km, turns around and goes due west for 2km and finally turns around again and heads 4km due east.What is the total distance travelled by the whale?What is the displacement?Alex rides his bike 20km north, turns around, and then rides his bike 15km back towards his starting point.What is the total distance travelled by Alex?What is the displacement?Claire walks 1km east, 1km south and then 1km east again. What is the total distance travelled by Claire?What is the displacement?Two runners race each other around a circular track which is 500m long and 150m in diameter. Runner A trips at the half-way point and doesn’t get up. Runner B finishes the race.What runner has the greater displacement?Which ran the greater distance?Draw a diagram to help you explain the difference.Two cars start at the same point and drive in a straight line for 5km. At the end of the drive their distances are the same but their displacements are different. Explain how this could happen and illustrate with a diagram.True or False: An object moving for 10 seconds can still have a zero displacement. If the statement is true describe an example of such motion and if the statement is false, explain why it is false. ................
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