13. bob walks 4 miles west and stops to rest. he then continues to walk another 3 miles west. what is his…

13. bob walks 4 miles west and stops to rest. he then continues to walk another 3 miles west. what is his displacement? a) 12 miles west b) 7 miles west c) 1 mile west d) 7 miles east

13. bob walks 4 miles west and stops to rest. he then continues to walk another 3 miles west. what is his displacement? a) 12 miles west b) 7 miles west c) 1 mile west d) 7 miles east

Answer

Explanation:

Step1: Define displacement concept

Displacement is the straight - line distance from the starting point to the ending point with direction.

Step2: Calculate total displacement

Bob walks 4 miles west and then 3 miles west. The total displacement in the west - direction is (4 + 3=7) miles west.

Answer:

b) 7 miles west