6.8C Average Speed

Students conduct a laboratory investigation by rolling a toy car across a 2-meter table top. The students conduct three trials and record data in the table. What is the average speed of the toy car?

• 4.5 m/s

• 18 m/s

• 0.18 m/s

• 16.5 m/s

Tags

NGSS.MS-PS3-1

A student constructs a table of distances and times. Using the data, which section of the table represents the highest average speed?

• Section A

• Section B

• Section C

• Section F

Tags

NGSS.MS-PS3-1

A car uses 57 liters of gasoline for every 644 kilometers traveled. It takes 8 hours to use all the gasoline in the tank. What is the average speed of the car during the trip?

• 11.3 km/h

• 80.5 km/h

• 7.125 km/h

• 456 km/h

A train travels 800 kilometers in 6 hours. What is the average speed of the train?

• 150 km/h

• 133 km/h

• 806 km/h

• 4,800 km/h

A train travels at a speed of 70 kilometers per hour for 3 hours, and a car travels 80 kilometers per hour for 2 hours. Which of the two vehicles travels farther?

• The car travels farther because it travels 210 kilometers

• The train travels farther because it travels 160 kilometers

• The car travels farther because it travels at a faster speed

• The train travels farther because it travels 210 kilometers

A man travels 25 kilometers in 15 minutes. A police officer stops him and writes a ticket for speeding. The posted speed limit is 80 kilometers per hour. Did the man exceed the posted speed limit?

• No, he was traveling at a speed of 25 km/h

• No, he was traveling at a speed less than 80 km/h

• Yes, he was traveling at a speed of 100 km/h

• Yes, traveling at a speed of 80 km/h is too fast for travel safety

Four students take turns kicking a soccer ball. They record the distance the ball rolls and the amount of time it takes the ball to completely stop. Which student kicks the ball with the greatest average speed?

• Student 1

• Student 2

• Student 3

• Student 4

Tags

NGSS.MS-PS3-1

A boy on a bicycle travels at a speed of 30 kilometers per hour. How many kilometers will he have traveled when he is 0.20 hours away from his starting point?

• 6 km

• 12 km

• 30 km

• 60 km

A ball traveled 8 meters in 10 seconds. What is the average speed of the ball?

• 0.8

• 1.25

• 80

• 18

A family drove several hours to visit a theme park. Their travel progress is charted. What was the average speed in kilometers per hour?

• 50

• 0.02

• 1,250

• 0.2

Tags

NGSS.MS-PS3-1