Speed/Velocity
Speed/Velocity Calculations
Acceleration
Acceleration Calculations
Equations and Units
Distance & Time Graphs
100
The rate at which an object moves a certain distance.
What is speed?
100
The velocity of a jogger that ran 321 meters in 70 seconds.
4.6 m/s
100
A change in velocity or direction is called _________
Acceleration
100
The acceleration of an object that has a final velocity of 53 m/s, an initial velocity of 5m/s, and a time of 25 seconds.
1.92 m/s2
100
Meters is used to measure _______
distance
100
Below is a graph of Maria's trip to work. Locate the point when she realized she forgot something and had to go back home.
B
200
How fast an object moves over a certain distance in a direction?
Velocity
200
The distance an object travels if the velocity is 26 m/s and the time is 23 seconds.
598 meters
200
Describe negative acceleration
When an object slows down or when speed/velocity is decreasing.
200
The acceleration of an object starting from rest with a velocity of 98 m/s in 5 seconds.
19.6 m/s2
200
The equation used to solve for distance in the speed/velocity equation.
distance = velocity x time
200
John walks to school every day on a straight path. Below is John's walk.
2
300
How to calculate speed?
distance divided by time
300
The time it takes an object to travel 198 meters at a velocity of 34 m/s.
5.8 seconds
300
An object that is not accelerating is moving at a ____________.
constant speed and/or direction
300
The acceleration of an object with an initial velocity of 100 m/s and a final velocity of 20 m/s in 60 seconds.
-1.3 m/s2
300
Solving for time in the velocity/speed Equation.
time = distance/velocity
300
Locate the line that represents the fastest person?
A
400
An object that is motionless on a distance-time graph is represented by a ____________.
A flat horizontal line.
400
The velocity of an object that travels 23 meters in 18 seconds to the north.
1.28 m/s north
400
Speeding up, slowing down, or changing directions are examples of _________________
acceleration
400
The acceleration of an object with a time of 0.25 seconds and a change in velocity of 32 m/s.
128 m/s2
400
m/s/s or m/s2
The unit of measurement for acceleration.
400
The graph shows a family's trip to the beach. When did the family drive faster: to the beach or on their way home?
To the beach
500
The steeper the line on a distance-time graph, the _________ the speed.
faster
500
What is the distance an object travels if going at a velocity of 8 m/s in 28 seconds?
224 meters
500
Choose the statement where the car has no acceleration.
A. A car shortly after a stop light turns green
B. A car approaching a red light
C. A car with the cruise control set at 80 km/h
D. A car turning a curve at a constant speed
C
500
The acceleration of an object with an initial velocity of 15 mph and a final velocity of 45 mph in 30 minutes. (HINT: convert time into hours)
60 mi/h2
500
The equation used to solve for acceleration.
What is acceleration = velocity final - velocity initial / time
500
The graph shows a family's trip to the beach. How long did the family stay at the beach?
4 hours