m/courses/17548/quizzes/103842/take D Question 11 Three runners start at the sam

Question

m/courses/17548/quizzes/103842/take D Question 11 Three runners start at the same place. Shaun runs 4.0 km due east and then runs 1.0 km due west. Mark runs 3.0 km due west. Jeff runs 2.0 km due west and then runs 5.0 km due east. Which of the following is true concerning the displacement of each runner? oShaun's displacement equals Mark's displacement, but Jeff's displacement is different Mark's displacement equals Jeff's displacement, but Shaun's displacement is different Shaun, Mark, and Jeff have the same displacements Shaun, Mark, and Jeff have different displacements Shaun's displacement equals Jeff's displacement, but Mark's displacement is different

Explanation / Answer

Displacement of Shaun = 4 - 1 = 3 Km due east

Displacement of Mark = 3 Km due west

Displacement of Jeff = -2 + 5 = 3Km due east

Since displacement is a vector quantity so different directions mean diferent displacement

Shaun's displacement eqauls Jeff's displacement (3 Km east) but Mark's displacement is different (3 Km due west)

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