a speed camera takes 2 photos of a car photo 2 was taken 0.5 seconds after photo 1 the marks on the roads are 0.8 metres apart what is the average speed

14.4 m/s

Step-by-step explanation:

First you have to count how many tallies the car went 9 tallies

Multiply the amount of tallies by how far they represent

9 * 0.8 = 7.2 meters

The car when 7.2 meters in half a second so we double this to get how fast it was going a second

7.2 * 2 = 14.4

The answer is 14.4 m/s

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step-by-step explanation: