UNIT 2:  Particle Moving with Constant Velocity
 
Instructional goals
1. Determine the average velocity of an object in two ways:
by determining the slope of an x vs. t graph.
by using the equation.
2. Determine the displacement of an object in two ways:
by finding the area under a v vs. t graph.
by using the equation
3. Given an x vs. t graph,
describe the motion of the object (starting position, direction of motion, velocity).
draw the corresponding v vs. t graph.
draw a motion map for the object.
determine the average velocity of the object (from the slope).
write the mathematical representation that describes the motion.
4. Given a v vs. t graph,
describe the motion of the object (direction of motion, how fast).
draw the corresponding x vs. t graph.
determine the displacement of the object (from the area under curve).
draw a motion map for the object.
write a mathematical representation to describe the motion.

Terms and Definitions: 
Average Velocity =change in position / change in time
Displacement is the straight-line distance between the initial and final positions.
Path length = total distance traveled along a path to move from the starting position to the ending position.
Average Speed = path length / change in time
Scalar = A quantity that tells magnitude (how much); i.e., speed, time, mass, odometer reading, etc 
Vector = A quantity that tells both magnitude and direction; i.e., velocity, displacement, force, etc.
Qualitative = Conceptually correct, but not numerically precise
Quantitative = Numerically Accurate



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