A person walks 15 meters north, then 10 meters east, and finally 15 meters south

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Question: A person walks 15 meters north, then 10 meters east, and finally 15 meters south. In which direction is he from the starting point?

Options:

Correct Answer: East

Solution:

He ends up 10 meters east of the starting point.

A person walks 15 meters north, then 10 meters east, and finally 15 meters south. In which direction is he from the starting point?

A person walks 15 meters north, then 10 meters east, and finally 15 meters south. In which direction is he from the starting point?

Step 1: Start at the starting point.
Step 2: Walk 15 meters north. Now you are 15 meters north of the starting point.
Step 3: Walk 10 meters east. Now you are 10 meters east and still 15 meters north of the starting point.
Step 4: Walk 15 meters south. This means you go back down 15 meters, which brings you back to the same north-south level as the starting point.
Step 5: After walking south, you are now at the same north-south level as the starting point but still 10 meters east of it.
Step 6: Therefore, you are 10 meters east of the starting point.

Vector Addition – Understanding how to combine movements in different directions to determine final position.
Coordinate System – Using a grid-like system to visualize movements in cardinal directions (north, east, south, west).