What is wrong with this picture?
What would a vector arrow look like for
someone traveling 35 mph?
Review
Is it possible to have a
distance of 300 km, but a
displacement of 0 km?
Why do we use the word speedometer instead
of velocimeter?
Velocity
 Definition- Speed in
a specific direction
 Speed is scalar,
velocity is vector
 Example-
Speed- 35 mph
Velocity- 35 mph,
West
2 types of velocity
1) Constant
What would you have
to have to have a
constant velocity?
Constant Speed and
Constant Direction
Would that be a
straight line or a
curved path?
2 types of velocity
2) Changing
What would you have
to have to have a
changing velocity?
Either the speed
and/or direction must
change
Name the 3 parts on a car that control
velocity
Review
1) What is the difference between speed and
velocity?
a) none, they are the same
b) speed is 2x faster than velocity
c) speed has a direction
d) velocity has a direction
Explain what is happening in this picture using
the words speed and velocity
Review
 Change the following speeds to velocities
a) 22.7 m/s
b) 45 mph
c) 67 km/h