Determine the height from which the stone fell if its fall lasted 3s.
| June 17, 2021 | education
Given:
t = 3 s – time of the body falling;
g = 10 m / s ^ 2 – acceleration of gravity.
It is required to determine the height H from which the body fell.
H = g * t ^ 2/2 = 10 * 3 ^ 2/2 = 10 * 9/2 = 5 * 9 = 45 m.
Answer: the body fell from a height of 45 meters.
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