Rank the cars from top (smallest) acceleration to bottom (greatest) acceleration.
red
green
blue
4 points
4
Question 2
2.
Consider the position-time graph. Each one of the three lines on the position-time graph corresponds to the motion of one of the three cars. Match the appropriate line to the particular color of the cars in problem #1.
Draggable item
arrow_right_alt
Corresponding Item
red
arrow_right_alt
B
blue
arrow_right_alt
A
green
arrow_right_alt
C
4 points
4
Question 3
3.
The velocity-time graph for a two-stage rocket is shown below. Use the graph and your understanding of slope calculations to determine the acceleration of the rocket during the listed time interval.
What is the acceleration of the rocket from t=9 -> t=12 ?
4 points
4
Question 4
4.
What is the graphical interpretation of the motion of the car?
4 points
4
Question 5
5.
What is the graphical interpretation of the motion of the car?
4 points
4
Question 6
6.
The slope of a Velocity vs Time Graph is interpreted as _______ . BUT! On a Position vs Time graph the slope is considered the _______.
4 points
4
Question 7
7.
Demonstrate 'freefall' on a position vs. time graph and on a velocity vs. time graph.
2 points
2
Question 8
8.
REVIEW: Look at the distance-time graph below.
What is the acceleration of the object?
2 points
2
Question 9
9.
REVIEW: A kayaker paddles along a river for 5 hours. In that time, she manages to move a total of 10 miles. What is the average speed of the kayak for this trip?
6 points
6
Question 10
10.
What is acceleration? Type a definition for this term in your own words.
2 points
2
Question 11
11.
A ball begins rolling down a hill. After 4 seconds, its velocity is 10 meters per second. What is the acceleration of the ball?
2 points
2
Question 12
12.
A vehicle brakes from 30 mph to 5 mph over a period of 10 seconds. What is the
vehicles acceleration?
2 points
2
Question 13
13.
Describe the acceleration.
2 points
2
Question 14
14.
Describe the acceleration.
2 points
2
Question 15
15.
Describe the acceleration.
4 points
4
Question 16
16.
Explain why the velocity of an object decreases as it rises, but increases as it falls.
4 points
4
Question 17
17.
Acceleration due to gravity ...
4 points
4
Question 18
18.
In your own words, what does a line with a slope of 1 on a Velocity-Time Graph mean?
6 points
6
Question 19
19.
What was the speed of the ball when it hit the ground below the cliff?
6 points
6
Question 20
20.
What is the distance of the ball above its initial position when it reaches the peak?
