The car starts braking at an initial speed of 30 m / s, which way it will go to a complete stop if the braking time is exactly 5 s.
| June 19, 2021 | education
To find the braking distance of the presented car, we use the formula: S = (Vк + Vн) * t / 2 = (0 + Vн) * t / 2.
Variables: Vн – speed of the presented car before braking (Vн = 30 m / s); t – deceleration time (t = 5 s).
Calculation: S = Vн * t / 2 = 30 * 5/2 = 75 m.
Answer: The presented car will travel 75 meters to a complete stop.
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