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Marsha's car accelerates at an average rate of 3 m/s2. How long does it take for her car to speed up from 10 m/s to 15 m/s?
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24 votes
Marsha's car accelerates at an average rate of 3 m/s2. How long does it take for her car to speed up from 10 m/s to 15 m/s?

User Hans Kilian
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1 Answer

13 votes
13 votes

Step-by-step explanation:

We are going to use the following equation:


v = v_0 + at \Rightarrow t = (v - v_0)/(a)


t = \frac{15\:\text{m/s} - 10\:\text{m/s}}{3\:\text{m/s}^2}


\:\:\:\:=1.67\:\text{s}

User Sisimh
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