Question

a truck travels 15 km in 30 minutes going east to west. what is the average velocity of the truck? a 30 km/h west b 0.5 km/h west c 30 km/h d 0.5 km/h

Explanation:

Step1: Convert time to hours

30 minutes = 30/60 = 0.5 hours

Step2: Use velocity formula

Velocity = displacement/time. Displacement is 15 km west and time is 0.5 hours. So, velocity = 15/0.5 = 30 km/h west

Answer:

A. 30 km/h west