A speed camera takes two phots of a car. photo 2 is taken 0.5 seconds after photo 1. marks on the road are 0.8 metres apart. calculate the average speed of the car in m/s

Respuesta :

The average speed of car is 14.4 m/s.

We can see that from Photo 1 to Photo 2, the car covers 9 times the 0.8 meter distance. So, calculating the total distance traveled between the time span second photo was clicked.

Total distance traveled = 0.8×9

Performing multiplication

Total distance traveled = 7.2 meters

Now, the time is given as 0.5 seconds.

Finding the average speed using formula -

Average speed = total distance traveled ÷ total time taken

Keep the given values in formula to find the average speed.

Average speed = 7.2 ÷ 0.5

Performing division

Average speed = 14.4 m/s

Hence, the average speed of the car is 14.4 m/s

Learn more about calculations on speed -

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