1. 1-D Kinematics

2. Mathematical Quantities
Scalars: quantities described only with a magnitude
Magnitude is a fancy word for numerical value 
Example: 8 miles
Vectors: quantities described with a magnitude and direction
Example 8 miles East

3. Plicker practice 9cm 12 m/s 13 ft N 92*C
Describe the following mathematical quantities as A. Vector or B. Scalar
9cm
12 m/s
13 ft N
92*C

4. Distance & Displacement
Distance is a scalar quantity describing the expanse covered during an object‘s motion.
Displacement (d) is a vector quantity describing how far an object has traveled from it’s origin, or the overall change in an objects position.
If a penguin uses the following routes calculate his distance traveled and overall displacement:
m 2.
2 m
1 m
1 m
2 m

5. What would be the units of speed and velocity?
Speed & Velocity
Speed is a scalar quantity relating to how fast an object is moving (distance over time or x/t).
Velocity (v) is a vector quantity relating to the rate at which on object changes it’s position (change in position over time d/t).
The direction of velocity vector is the same as the direction the object is moving
What would be the units of speed and velocity?

6. Instantaneous Vs Average Speed
Using a car analogy we can talk about differences between instantaneous and average speeds.
Instantaneous speed would be what we see on our speedometer at a specific moment in time.
Average speed would be an average of all speedometer readings over the course of a trip.
Objects moving at a constant rate could have the same average speed as those moving at an erratic rate

7. Calculating Average Speed & Velocity
Average Speed: distance traveled over time
Average velocity: change in position over time or displacement over time  d/t
Calculate the average speed of the penguin if the following scenario took him 16 seconds.
What would be his average velocity?
2 m
1 m

8. Acceleration
Acceleration is a vector quantity which relays the rate at which an object changes it’s velocity.
During constant acceleration an object will change its velocity by a constant amount each second.
Acceleration can also vary
To calculate an average acceleration use change in velocity over time. ∆v/t
What would the units of acceleration be?
m/s/s

9. Acceleration Direction
Acceleration is a vector quantity.
Depends on speeding up or slowing down of an object
Is the object moving in the + (right or up) or – (left or down) direction
If an object is slowing down then it is accelerating in the direction opposite its motion.

10. Practice What are the accelerations for the following scenarios?
2 m/s/s
-2m/s/s

11. SQ4R Recite (After you read) Respond (After you read)
Survey (Before you read)
Review article/chapter headings questions, and subtitles
Review any teacher handouts
NO Writing Required
Question (Before you read)
What do you know about the topic already?
Why did Mrs. Kemp assign this reading to you?
Read
Ask 3 questions (for clarification, wonderment, etc)
Identify unknown terms and define if needed
Recite (After you read)
Summarize the reading in your own words
Record important quotes or ideas
Respond (After you read)
To teacher handout or questions
Review (After you read)
Review your notes
Ask new questions for further understanding
Define any unknown terms