A man walks 3 km north, then 4 km south. In which direction is he from his start

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Question: A man walks 3 km north, then 4 km south. In which direction is he from his starting point?

Options:

Correct Answer: South

Solution:

After walking 3 km north and then 4 km south, he is 1 km south of the starting point.

A man walks 3 km north, then 4 km south. In which direction is he from his starting point?

A man walks 3 km north, then 4 km south. In which direction is he from his starting point?

Step 1: The man starts at a point, which we will call the starting point.
Step 2: He walks 3 km north from the starting point.
Step 3: After walking 3 km north, he is now 3 km away from the starting point in the north direction.
Step 4: Next, he walks 4 km south.
Step 5: Since he was 3 km north and now walks 4 km south, he moves past the starting point.
Step 6: After walking 4 km south, he is now 1 km south of the starting point (because 4 km south - 3 km north = 1 km south).
Step 7: Therefore, the man is 1 km south of his starting point.

Vector Addition – Understanding how to combine movements in different directions to determine final position.
Relative Positioning – Determining the position relative to the starting point after a series of movements.