In a race, Usain Bolt accelerates at
1.99 m/s2 for the first 60.0 m, then
decelerates at -0.2...
![Physics](/tpl/images/cats/fizika.png)
Physics, 13.07.2021 05:00, nakarelinp0p303
In a race, Usain Bolt accelerates at
1.99 m/s2 for the first 60.0 m, then
decelerates at -0.266 m/s2 for the final
40.0 m. How much time did the race take?
(Unit = s)
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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