Vocabulary / Definitions
Displacement
Velocity
Acceleration
Kinematics
100
Motion is the change in an objects what?
Position
100
You walk towards the spooky house across the street as they have the king sized candy bars. You only make it 60m towards the house before getting scared by a very large spider and you run all the way back to your house, what is your displacement?
0m
100
What is the formula for finding speed ?
Speed = Distance / Time
100
What is the formula for acceleration ?
Velocity (f) - Velocity (i) / time
100
A penguin slides across the length of his pond, 30m, with a constant velocity. If he makes it across in 15 seconds, velocity must be...
2m/s
200
What variable is on the Y-axis?
Velocity
200
You walk towards the spooky house across the street as they have the king sized candy bars. You only make it 60m towards the house before getting scared by a very large spider and you run all the way back to your house, what is your distance?
120m
200
How long will it take an object traveling 25 m/s to reach a distance of 125 meters?
5 Seconds
200
Which car has the greatest acceleration?
Car A
200
You and your friend are sitting on a bench on a windy day when all of a sudden you see a $100 bill float by. You chase after it increasing your speed constantly and grab it after 20s reaching a speed of 3 m/s, acceleration must be...
0.15 m/s^2
300
Acceleration is the change of __________ over time.
Velocity
300
What does the SLOPE of a distance vs time graph tell you?
The speed of the object
300
What does the SLOPE of a velocity vs time graph tell you?
Acceleration
300
Draw both the velocity and acceleration vectors for a car traveling right that is slowing down to a red traffic light
v = ---->
a = <----
300
An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s^2. The takeoff speed for this plane will be 65 m/s. Assuming this minimum acceleration, what is the minimum allowed length for the runway?
704 m
400
Delta symbol in in science represents
What is change
400
What is the most likely instantaneous speed at 5 seconds?
14 m/s
400
Describe the motion of section A in this distance vs time graph.
Constant velocity
400
Describe the motion of section A in this velocity vs time graph.
Slowing Down
400
A potato launcher fires a spud directly upwards at a rate of 30 m/s, how high does it reach?
45.9 m
500
The distance equivalent to 5320 m in km
5.32 Km
500
A runner goes around a 1 mile track and ends up where he started what his is displacement?
Zero
500
A horizontal (flat) line on a velocity vs time graph shows ________ acceleration.
Zero
500
Two cannonballs are launched from the castle wall. One is dropped straight down to bonk an enemy on the head and the other is fired upwards at 45 degree angle to hit a trebuchet, which one will hit the ground first?
The dropped cannonball
500
A hot wheel car is flung directly horizontal off a 1.25 m table with a speed of 3.25 m/s, how much time does it take to hit the ground?
0.505 s