Speed Practice.

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Presentation transcript:

Speed Practice

A place or object used for comparison to determine if something is in motion is called Reference point

Speed equals distance divided by Time

If a bicyclist travels 30 kilometers in two hours, her average speed is 15 km/hr.

Julieta ran 40 km in 8 hours. What was her speed? a. 5 km/hr b. 5 km/hr/hr c. 320 km d. 150 km/hr 5km/hr

A plane traveled 800 km in 2 hours. How fast was it traveling? 400 km/hr

Juan kicked a soccer ball 70m down field. The ball had a speed of 10m/s. How long did it take to get there? 7s

Luis walked from his house 30 meters north to go to a friend’s house Luis walked from his house 30 meters north to go to a friend’s house. Then he returned 23m south because his notebook had fallen out. Finally he walked 42m. further north. Where is he compared to his house? 49 meters north