Graphing
Vectors in 1 D
Linearizing
Distance / Displacement
Velocity / Acceleration
100
What is the equation for the slope of a line?
m = (y_2 - y_1)/(x_2-x_1)
100
Vectors are quantities that have:
Magnitude & Direction
100
A linear relationship produces a
Straight Line
100
What is the symbol for Displacement
Deltax
100
What is the equation for Velocity
(Deltax)/(Deltat)
200
What would be the slope of the following line
Deltax = 1/2at^2
1/2a
200
A student walks 2 km in the positive direction and turns around and walks 5 km in the negative direction. What is the student's displacement?
- 3 km
200
How should this data be linearized?
Square the X Axis
200
What is the equation for displacement
x - x_0
200
What is the equation for acceleration
(Deltav)/(Deltat)
300
v=at
A student graphs v vs. t for a cart that is released down a ramp at rest. Which of the following is equal to the slope of the best-fit line?
m = a
300
A quantity that only has magnitude is a
scalar
300
How should the data shown on the left be linearized?
Inverse the X axis.
300
Distance is a:
Displacement is a:
Scalar
Vector
300
A student walks from a position of x = 5 m to x = -3 m in 2 seconds. What is the student's speed?
4 m/s
400
Calculate the slope of the following line.
Between 19 and 21
400
We typically add vectors by placing them
Head to Tail
400
Square the Y axis.
400
A student walks 3 meters to the right then another 1 m right then 4 meters left what is his dispalcement?
0
400
C
500
Calculate the area under the curve from 0 to 8s
-8
500
Vectors A and B are parallel to each other.
The sum of Vectors A and B is Vector C.
If Vector C is smaller than Vector A but in the same direction as Vector A.
Are Vector A and B facing the same direction?
No
500
Describe how to linearize the following:
Quadratic
Inverse
Square Root
Square X
Divide X by 1
Square Y
500
A student drives along a curving road and arrives at his destination.
Would his distance would be greater than or less than his displacement.
Greater
500
What are the two scenarios where acceleration would be negative?
Speeding up in the negative direction
Slowing down in the positive direction