A bug crawls 2.25 m along the base of a wall. Upon reaching a corner, the bug's direction of travel changes from south to west. The bug then crawls 3.15 m before stopping. What is the magnitude of the bug's displacement?
A)5.40 m
B)2.72 m
C)3.87 m
D)4.11 m
E)3.29 m

Question

Quizplus · Accepted Answer

The bug's displacement can be found using the Pythagorean theorem. The displacement is the hypotenuse of a right triangle with legs of 2.25 m and 3.15 m. Calculating: √(2.25² + 3.15²) = √(5.0625 + 9.9225) = √14.985 = 3.87 m.

A Bug Crawls 2