Calculating Speed

If a car travels 200 kilometers in 4 hours, what is its average speed in kilometers per hour?

• 25 km/h

• 50 km/h

• 100 km/h

• 800 km/h

A runner completes a 400-meter lap in 80 seconds. What is the runner's average speed in meters per second?

• 2 m/s

• 4 m/s

• 5 m/s

• 8 m/s

A cyclist covers 90 kilometers in 3 hours. What is the average speed of the cyclist?

• 27 km/h

• 30 km/h

• 33 km/h

• 45 km/h

A hiker walks 18 kilometers in 6 hours. What is the hiker's average speed in kilometers per hour?

• 2 km/h

• 3 km/h

• 6 km/h

• 12 km/h

A bus travels 240 kilometers in 6 hours. What is the average speed of the bus?

• 30 km/h

• 36 km/h

• 40 km/h

• 48 km/h

A car moves 300 meters in 15 seconds. What is the average speed in meters per second?

• 10 m/s

• 15 m/s

• 20 m/s

• 25 m/s

Tags

NGSS.MS-PS3-1

A student records the following data during a science experiment: Distance traveled = 500 meters, Time taken = 250 seconds. Calculate the average speed and explain what this value means in the context of the experiment.

• 1 m/s; the student traveled 1 meter every second on average.

• 2 m/s; the student traveled 2 meters every second on average.

• 0.5 m/s; the student traveled 0.5 meters every second on average.

• 5 m/s; the student traveled 5 meters every second on average.

Tags

NGSS.MS-PS3-1

A group of students is investigating the speed of a toy car. They measure the car traveling 12 meters in 3 seconds, then 16 meters in 4 seconds, and finally 20 meters in 5 seconds. What is the average speed of the car for all three trials combined?

• 4 m/s

• 5 m/s

• 6 m/s

• 7 m/s

A runner completes three segments of a race: 100 meters in 20 seconds, 200 meters in 40 seconds, and 300 meters in 60 seconds. What is the runner's average speed for the entire race?

• 5 m/s

• 6 m/s

• 7 m/s

• 8 m/s

Tags

NGSS.MS-PS3-1

A student is testing two different routes to school. Route A is 2 km and takes 20 minutes. Route B is 2.5 km and takes 25 minutes. Which route allows the student to travel at a higher average speed, and what is that speed?

• Route A, 0.1 km/min

• Route B, 0.1 km/min

• Route A, 0.08 km/min

• Both routes, 0.1 km/min