To measure the depth of the well, a nut was thrown into it. Determine its depth if a splash is heard after 2 seconds.
| March 15, 2021 | education
The fall of the nut obeys the law of rectilinear uniformly accelerated motion. The initial speed of the nut is 0, the acceleration due to gravity (g) is 9.8 m / s2. Find the depth of the well:
S = v0 * t + gt ^ 2/2 = 0 * 2 + 9.8 * 2 ^ 2/2 = 19.6 m.
Answer: S = 19.6 m.
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