Speed = Distance divided by time

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Presentation transcript:

Speed = Distance divided by time Calculating Speed Speed = Distance divided by time

Distance Divided by Time Practice Time (s) Distance (m) O 1 10 2 20 3 30 4 40 5 50 6 60 7 70 8 80 9 90 100

Practice together 0m/0s = 0m/s 10m/1s= 10m/s 20m/2s= 10m/s Complete remaining time by yourself. Answer the question: Did this object move at a constant speed or did it change speed?

Practice

Answers All answers were 10m/s Is this constant speed or a changed speed?

Next Try Time (s) Distance (m) 5 6 10 12 15 18 20 24 25 33 30 40 35 59 5 6 10 12 15 18 20 24 25 33 30 40 35 59 70 45 90 50 100

answers 0m/s 6m/5s = 1.2m/s 12m/10s = 1.2m/s 18m/15s = 1.2m/s What do these results show about the speed of this object?