Speed - 2

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Calculate these Runner's speeds. Then rank the runners from fastest to slowest, with 1 being the fastest and 3 the slowest.

Runner1- 20 yards in 4 secs

Runner2- 20 yards in 15 secs

Runner3- 20 yards in 10 secs

If I choose to walk to school at a speed of 3mph, it will take me 4 hours to arrive. How far away do I live?

What is missing in the triangle of knowledge?

A dog runs after a ball that is 45 meters away. It takes him 9 seconds to reach the ball. How fast is the dog running?

A plane travels 395,000 meters in 9000 seconds. What was its speed in miles per hour?

All of the following are examples of speed except:

A truck travels 40 mph for 5 hours and then 60 mph for 3 hours in the same direction. What is the average speed for the trip (mph = miles per hour)

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