The speed of the car is 72 km / h, the car slowed down for 5 seconds. Determine the braking distance
| June 20, 2021 | education
To find the required braking distance of the car in question, we will use the formula: S = (Vн + Vк) * t / 2.
Variable values: Vн – speed before braking (Vн = 72 km / h = 20 m / s); Vк – final speed (Vк = 0 m / s); t is the duration of braking (t = 5 s).
Calculation: S = (Vn + Vk) * t / 2 = (20 + 0) * 5/2 = 50 m.
Answer: The stopping distance of the vehicle in question should be 50 meters.
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