Question

A truck covers 40.0 m in 7.40 s while uniformly slowing down to a final velocity of 2.85 m/s.

(a) Find the truck's original speed.
(b) Find its acceleration.

Answer 1

Summary

Motion in one dimension

Reading Quiz

Class Quiz

Kinematic equations

Picture (508x368, 5.6Kb)

Example #1

Example #2

Graphs of motion applet

constant speed

constant acceleration

vectors & graphs applet

graphical analysis applet

Example #3

Example #4

Self-quiz applet

Interactive Example 2-9