Distance & Displacement
Speed
Velocity
Acceleration
100
What is the displacement of a runner who runs 5 laps around a track, finishing at the start?
ZERO!
100
Draw a speed vs. time graph where the object is decelerating
100
What is the difference between speed and velocity?
Velocity is speed with direction
100
A change in velocity is
acceleration!
200
To calculate acceleration, you need starting speed, final speed, and what?
Time
200
Draw a speed vs. time graph of an object that has zero acceleration
200
At what time(s) is the object moving at a constant velocity?
4-5 seconds
200
Which car has the greatest average acceleration?
T
300
Based on the graph, predict how far the distance of the object at time 6 (seconds)
60 m
300
If you're going out for a run, what data would you need to gather to calculate the average speed of the run?
Total distance and total time
300
What is the velocity of the plane (pink) at 3.0 seconds?
150 m/s
300
If an object is continuously changing its velocity by the same rate, then its acceleration is:
decreasing, increasing, zero, or constant?
CONSTANT acceleration
400
If I can run a lap around the track at 4km/hr, what would you have to do to get a higher average speed than me running the same distance?
Run in less TIME
400
How far will an object travel if its going at a speed of 25 m/s for 6 seconds?
D = S * T = 25 * 6 = 150 meters
400
You're setting up an experiment to test velocity and acceleration. The starting velocity of the car is 6 m/s; what is the next velocity measurement if the acceleration of the car is zero?
6 m/s
400
What is the acceleration of the object shown in the graph?
(20 - 0) / (5 - 0) = 20/5 = 4m/s2
500
Calculate the speed of the car after 50 meters:
50 / 25 = 2 m/s
500
What is the average speed of the object from 5 - 7 seconds?
[(9) + (5) + (1)] / 3 = 5 m/s
500
What is the distance traveled by the object from 4 - 5 seconds?
D = S * T = 9 * 1 = 9 meters
500
During a race, a runner's speed increases from 65 m/s to 73 m/s in 5.0 seconds. What was their acceleration?
1.6 m/s2