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21-09-2021
Physics

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a car decelerates at a rate of 2.0 m/s^2 and comes to a complete stop after traveling 25 m. What was the speed of the car right before declaration?

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discipulus discipulus

21-09-2021

Answer:

[tex] {v}^{2} = {u}^{2} + 2as \\ {0}^{2} = {u}^{2} + 2 (- 2)(25) \\ {u}^{2} = 100 \\ \therefore \: u = 10 \: m .{s}^{ - 1} [/tex]

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