Final answer:
The truck's acceleration, converting the velocity from 100 km/h to 27.8 m/s, is 9.27 m/s², calculated over 3 seconds.
Step-by-step explanation:
The truck's acceleration can be calculated using the formula for acceleration which is the change in velocity divided by time.
Acceleration = (Final velocity - Initial velocity) / Time
Since the truck goes from 0 to 100 km/h, we first need to convert this speed into meters per second (m/s) because the standard unit for acceleration in physics is m/s². We know that 1 km/h is approximately 0.278 m/s, so 100 km/h is equivalent to 100 × 0.278 = 27.8 m/s.
Now using the formula:
Acceleration = (27.8 m/s - 0 m/s) / 3 s = 9.27 m/s²
The truck's average acceleration is 9.27 meters per second squared.