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07.10.2019 •
Mathematics
13 marks
a speed camera takes two photographs of a car
photo 1
-
h
0.8m
0.8*9=0
0.72 0.0
the avere
m/s is 1.4
photo 2 —
,
0.8m
photo 2 was 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.
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