1. A person covers a distance of 320 miles in a travel time of 8
hours. What is the speed for this trip?
2. A car travels with an average speed of 55 miles/hr. What is
this speed in
km/hr?
km/s?
m/s?
3. The velocity of a car moving in a straight line increases
from 8 m/s to 22 m/s in 7 seconds. What is the average acceleration
of the car during this period?
4. Starting from rest and moving in a straight line, a runner
achieves a speed of 7.0 m /s in a time of 4.5 seconds. Determine
the average acceleration of the runner.
5. The velocity of a car decreases from 25 m/ s to 12 m / s in a
time of 4.2 seconds. What is the average acceleration of the car?