Stupendous Speed
Very Cool Velocity
Graphs and Formulas
Graphs...2!
Balanced/unbalanced
100
What is the formula for speed?
Speed = Distance / Time
100
What is the formula for velocity?
Velocity = Distance / Time
with a direction
100
What goes on the x axis?
time
100
Which line(s) represents staying still?
2 & 4
100
If an object is not moving, are the forces balanced or unbalanced?
Balanced
200
How is speed different from velocity?
velocity needs a direction
200
What is the velocity of an object that is moving 6 meters in 2 seconds east?
3 m/s east
200
Which direction is positive and which direction is negative for velocity?
Positive = N/E, Negative = S/W
200
Is the speed at line 1 or line 3 faster?
Line 3
200
Are these forces balanced or unbalanced?
Unbalanced
300
What is the average speed of a cow that walks east 60 meters in 90 seconds? (Remember, the units must be m/s or km/hr)
.6666 m/s (2/3rds)
300
Distance = 20 meters
Time = 4 minutes
Direction = south
What is the velocity of this object?
5 m/s south
300
What is the slope of a distance time graph?
Speed
300
What is the speed of line B?
150/60 = 2.5 m/s
300
What direction will this object move in?
Down
400
A porcupine moved toward a pond at a speed of 5 m/s. It took him 8 seconds. What was the distance he traveled?
40 meters
400
An object travels 2 meters in 25 seconds east. What is it's velocity?
0.08 m/s east
400
Which graph(s) are moving back towards the starting point?
C
400
What is the speed of line C?
(8-6) / (7-5) = 1 m/s
400
What is the net force on this object?
1N to the left
500
What is the distance of an banana car moving east for 6 seconds at 105.3 m/s?
105.3 * 6 = 631.8 m
500
A pink alien moved south in it's spacecraft 2 m at a rate of 20 m/s. How much time did it take him to do this in seconds?
0.1 s
500
Which lines are accelerating?
A, F
500
What is the speed of the third line?
(200-80) / 2 = 60 km/h
500
What is the net force on this box and what direction will it move?
50N to the left