What does a flat (horizontal) line mean on a DISTANCE-time graph?
What is The object is stopped/at rest/not moving.
100
Eric swam at an average speed of 2 m/s. How far did he swim in 120 seconds? (Must include speed triangle.) NO NAKED NUMBERS!
What is 240 m
100
What does velocity have that speed does not?
What is direction
100
You are sitting on a merry-go-round that is moving in a circle at a constant speed. Explain why you ARE accelerating.
Acceleration occurs 4 different ways including changing direction. You are constantly changing direction on a merry-go-round.
100
An objects location.
What is Position
200
What is plotted on the x-axis (bottom) of both a D/T and V/T graph?
What is time
200
Speed =
What is distance divided by time
200
The velocity of a train traveling 50 km/h north.
What is 50 km/h north
200
Joey ran on the treadmill at a constant speed of 2k/h. This is an example of:
a) Positive acceleration
b) Zero acceleration
c) Negative acceleration
What is Zero acceleration
200
A location with which another location is compared.
What is Reference point
300
What is plotted on the y-axis (side/verticle) of a distance time graph?
What is distance
300
Carlie walked 50 meters in 10 seconds. What is her average speed? (Must include speed triangle.) NO NAKED NUMBERS!
What is 5 m/s
300
A vector is a quantity that has both ___________ and direction and is often shown as an arrow.
What is size or magnitude
300
Sara runs 2 k/m in the beginning of the race. She starts to get tired and reduces her speed to 1 k/m. This is an example of:
a) Zero acceleration
b) Positive acceleration
c) Negative acceleration
Negative acceleration
300
A speed with a specific direction.
What is Velocity
400
What does a flat (horizontal) line mean on a VELOCITY(SPEED)-time graph?
What is Zero acceleration
400
Distance =
What is speed multiplied by time
400
Which of the following pairs has the same velocity?
a) a dog running south at 2 m/s; a ball rolling south at 2 m/s
b) a dog running south at 2 m/s; a man running north at 3 m/s
c) a kite moving east at 3 m/s; a man running north at 3 m/s
d) a ball rolling south at 2 m/s; a kite moving east at 3 m/s
a) a dog running south at 2 m/s; a ball rolling south at 2 m/s
400
A car traveling at 40 m/s that increases his speed to 70 m/s is an example of:
a) Zero acceleration
b) Positive acceleration
c) Negative acceleration
What is Positive acceleration
400
A change in position over time
What is Motion
500
What is plotted on the y-axis (side/verticle) of a velocity/speed time graph?
What is speed/velocity
500
How long would it take Crystal to ice skate 250 meters at an average speed of 2 m/s? (Must include speed triangle.) NO NAKED NUMBERS!
What is 125 s.
500
On the anouncements last Friday who was the "know the name" winner (staff member of the year)
Who is Mrs. Garcia
500
What are the four ways an object can acceleration (hint: remember our acceleration illustration assignment)
What is Speed up, slow down, change direction, change both speed and direction.