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During a race a Sprinter increases from 5.0 meters per second to 7.5 meters per second over a period of 1.25 seconds what is the sprinters average acceleration during this period.

Answer :

vladvturin2017
V₀ = 5,0 m/s
V = 7,5 m/s
t = 1,25 s
_________

a = (V-V₀) / t = (7,5 - 5,0 ) /  1,25 =  2,50 / 1,25 = 2 m/s²

Answer: acceleration a=2 m/s²


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