Motion 1
Motion 2
Motion 3
Motion 4
Motion 5
100
Is the number you read on a speedometer at any given time called velocity or speed?
Speed
100
3 m/s North is an Example of what ?
A velocity
100
A car drives 45 mi/hr around a race track. The car has a constant what ?
Speed
100
What is the formula for finding speed ?
Speed = Distance / Time
100
When a car takes takes off when the light turns green it has a ___________ acceleration.
Positive
200
Motion is the change in an objects what?
Position
200
Which car has the greatest acceleration?
Car A
200
What is the most likely instantaneous speed at 5 seconds?
13.5 m/s
200
A runner goes around a 1 mile track and ends up where he started what is his displacement?
Zero
200
What variable is on the Y-axis?
Velocity
300
An indicator that orients you when describing motion is called the?
Frame of reference
300
A car travels a distance of 98 meters in 10 seconds. What is the cars speed?
9.8 m/s
300
A car slowing down to a red traffic light has a _________ acceleration.
Negative
300
How long will it take an object traveling 25 m/s to reach a distance of 125 meters?
5 Seconds
300
What is the difference between a vector and a scalar?
A vector has direction, a Scalar does not.
400
Acceleration is the change of __________ over time.
Velocity
400
Why can velocity be negative but speed cannot?
Because velocity has direction and speed does not.
400
Describe the motion of section A in this distance vs time graph.
Constant
400
What is the formula for acceleration ?
Velocity (f) - Velocity (i) / time
400
What does the SLOPE of a velocity vs time graph tell you?
Acceleration
500
What is calculated when you take the total distance divided by the total time?
Average Speed
500
What does the SLOPE of a distance vs time graph tell you?
The speed of the object
500
What are all the ways an object can accelerate?
Speed up, Slow down or change direction
500
A horizontal (flat) line on a velocity vs time graph shows ________ acceleration.
Zero
500
Describe the motion of section A in this velocity vs time graph.
Slowing Down