lil81
lil81
01-12-2017
Mathematics
contestada
How would u answer this question?
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Аноним
Аноним
01-12-2017
At time 5 seconds distance is 0.8(5)^2 = 20 m
after 10 seconds it is 0.8(10)^2 = 80 m
average speed between 5 and 10s = (80-20) / (10-5) = 12 m / s answer
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