A jogger runs halfway around a circular path with a radius of 50 m.What,respectively,are the magnitude of the displacement and the distance jogged?

A) 50 m,157 m
B) 100 m,157 m
C) 0 m,314 m
D) 100 m,314 m
E) 50 m,314 m

Question

A jogger runs halfway around a circular path with a radius of 50 m.What,respectively,are the magnitude of the displacement and the distance jogged?
​
A) 50 m,157 m
B) 100 m,157 m
C) 0 m,314 m
D) 100 m,314 m
E) ​50 m,314 m

Quizplus · Accepted Answer

The displacement is the straight-line distance between the starting and ending points, which is the diameter of the circle (2 * radius = 100 m). The distance jogged is half the circumference of the circle (π * diameter = 157 m).

A Jogger Runs Halfway Around a Circular Path with a Radius