STAAR 15: Calculating Average Speed

Front

What is average speed?

Back

Average speed is the total distance traveled divided by the total time taken.

Front

Formula for calculating average speed?

Back

Average speed = Total distance / Total time

Front

If a car travels 90 miles in 2 hours, what is its average speed?

Back

Average speed = 90 miles / 2 hours = 45 miles per hour.

Front

Convert 60 miles per hour to meters per second.

Back

60 miles per hour = 26.82 meters per second.

Front

What is the average speed of a runner who completes a 5 km race in 25 minutes?

Back

Average speed = 5 km / (25/60) hours = 12 km/h.

Front

If a cyclist travels 30 km in 1.5 hours, what is their average speed?

Back

Average speed = 30 km / 1.5 hours = 20 km/h.

Front

How do you convert kilometers per hour to meters per second?

Back

To convert km/h to m/s, divide by 3.6.

Front

What is the average speed of a train that travels 300 miles in 5 hours?

Back

Average speed = 300 miles / 5 hours = 60 miles per hour.

Front

If a person walks 1 mile in 20 minutes, what is their average speed in miles per hour?

Back

Average speed = 1 mile / (20/60) hours = 3 miles per hour.

Front

What is the average speed of a vehicle that covers 150 miles in 3 hours?

Back

Average speed = 150 miles / 3 hours = 50 miles per hour.