Presentation on theme: "Chapter 2 Pretest. 1. After a body has fallen freely from rest for 8.0 s, its velocity is approximately: A) 40 m/s downward, B) 80 m/s downward, C) 120."— Presentation transcript:
4. Acceleration is best defined as the CHANGE in: A) velocity of an object. B) distance divided by time interval. C) time it takes to move from one speed to another speed. D) time it takes to move from one place to another place. E) velocity divided by the time interval.
1. The engine of an automobile can accelerate it at 6.00 m/s 2. A) How many seconds are needed to accelerate the automobile to a speed of 54.0 m/s? B) How many meters does the automobile travel during this acceleration?