Understanding Average Speed WU

How do you determine the average speed of an object?

• S=T/D

• S=D/T

• S=D+T

• S=T-D

If a car travels 150 kilometers in 3 hours, what is its average speed?

• 45 km/h

• 50 km/h

• 55 km/h

• 60 km/h

A cyclist travels at an average speed of 20 km/h for 4 hours. How far does the cyclist travel?

• 60 km

• 70 km

• 80 km

• 90 km

A train travels 300 miles in 5 hours. What is the average speed of the train?

• 50 mph

• 55 mph

• 60 mph

• 65 mph

A runner completes a 10 km race in 50 minutes. What is the runner's average speed in km/h?

• 10 km/h

• 11 km/h

• 12 km/h

• 13 km/h

A plane flies 1,200 kilometers in 2 hours. What is the average speed of the plane?

• 500 km/h

• 550 km/h

• 600 km/h

• 650 km/h

A student walks to school at an average speed of 4 km/h and takes 30 minutes to reach. How far is the school from the student's home?

• 1 km

• 2 km

• 3 km

• 4 km

A car travels at an average speed of 80 km/h for 2.5 hours. How far does the car travel?

• 180 km

• 190 km

• 200 km

• 210 km

A hiker travels 15 km in 3 hours and then 10 km in 2 hours. What is the hiker's average speed for the entire journey?

• 4 km/h

• 5 km/h

• 6 km/h

• 7 km/h

Tags

NGSS.MS-PS3-1

A boat travels upstream at 15 km/h and downstream at 25 km/h. If the total journey takes 4 hours, what is the average speed of the boat for the entire journey?

• 18 km/h

• 20 km/h

• 22 km/h

• 24 km/h