Question Detail

PHY 101 Last Min Prep Objective Question

Question

Starting from the origin, a person walks 6 km east during first day, and 3 km west next day. What is the net displacement of the person from the initial point?
Options
A 3 km east
Correct Answer
B 3 km west
C 9 km east
D 9 km west
Correct Answer

Option A is the correct answer.

Detailed Explanation

Net displacement = 6 km east + 3 km west = 6 km (east) - 3 km (east) = 3 km east.

Hint

Displacement is a vector. Choose a direction as positive.

Question Info