meters per second, kilometers per hour, miles per hour, feet per minute
10
What is the definition of speed?
The distance an object moves per unit of time
5
What is instantaneous speed?
The speed at a particular instant in time
5
Explain the process for calculating average speed.
Add all the distances together. Add all the times together. Divide total distance traveled by the total time.
10
A car is traveling at 45 meters every 9 minutes. What is the car's speed?
5 meters per minute
15
A tennis ball falls from a building at a rate of 27 centimeters every 3 minutes. What is the tennis ball's speed?
9 centimeters per minute
15
A horse walked 6 miles in 2 hours, then ran 42 miles in 4 hours. What was the horse's average speed?
8 miles per hour
15
A family left their house and traveled 4 kilometers in 1 hour. Then drove to the store 10 kilometers in half an hour. Finally they got on the highway and drove 19 kilometers in an hour an a half. What is the average speed?
11 kilometers per hour
20
Calculate the average speed from this distance vs time graph.
0.75 mile per minute
20
Calculate the average speed from this distance vs time graph.
40 kilometers per hour
20
What is the unit for the strength of a force called?