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Over a span of 6.0 seconds, a car changes its speed from 89 km/h to 37 km/h. What is its average acceleration in meters per second squared (m/s2)?

Answer :

Answer: Average acceleration is -2.407 [tex]\frac{m}{s^{2}}[/tex]

 

Explanation:

Average acceleration is equal to change in velocity divided by time taken

therefore, [tex]a=\frac{Vf-Vi}{t}[/tex]

=> [tex]a=\frac{37-89}{6}\times \frac{5}{18}\frac{m}{s^{2}} = -2.407 \frac{m}{s^{2}}[/tex]

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