1. Which of the following situation below acceleration exist? A. point A car running at a constant speed of 60 km/hr. B. in a straight line A bus starts from rest and reach the speed of 80km/hr. C. A boy walking down the street with a constant speed pushing a cart D. A father running at the maximum speed continuously to save his leg from a barking do
2. From the given statement below, when does deceleration can takes place? I. The speed of a moving object is reduced. II. The speed of an object increases III. The speed of a moving object remains the same IV. No movement exist in an object. A. I but not II B. II, III but not IV C. III only D. IV only
3. A car slows down from a speed of 72 km/h to rest in 25 seconds. What is the acceleration of the car in m/s/s? A. 20 m/s/s B. - 15 m/s/s C. - 20 m/s/s D. - 0.8 m/s/s