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How long does it take a car to accelerate from 20 m/s to 40 m/s if it accelerates at 5 m/s2?
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How long does it take a car to accelerate from 20 m/s to 40 m/s if it accelerates at 5 m/s2?

User Matthew Nichols
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a = 5m/s²
v = 5t m/s² + 20 m/s
40 = 5t +20
20 = 5t
t=4s
User HunterLiu
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