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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.

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Answer:

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

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