The car, having traveled 100 meters of the path, increased its speed from 36 km / h to 72 km / h, find the acceleration of the car.
| March 25, 2021 | education
It is necessary to bring the values to the SI system. 36 km / h = 10 m / s.
72 km / h = 20 m / s.
Acceleration formula in terms of path and speed:
a = (V ^ 2 – Vo ^ 2) / 2S = (400 – 100) / 2 × 100 = 1.5 m / s ^ 2.
Answer: the car was moving with an acceleration of 1.5 m / s ^ 2.
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