Question

calculate the velocity of a person who walks 36 meters south in 12 seconds.
3 meters per second
48 meters per second south
3 meters per second south
24 meters per second south

Explanation:

Step1: Recall velocity formula

Velocity \(v=\frac{d}{t}\), where \(d\) is displacement and \(t\) is time.

Step2: Identify values

\(d = 36\) meters (south - direction is important for velocity as it's a vector), \(t=12\) seconds.

Step3: Calculate velocity magnitude

\(v=\frac{36}{12}=3\) m/s.

Step4: Add direction

The direction is south, so the velocity is 3 m/s south.

Answer:

3 meters per second south