Determine the initial speed of a falcon falling vertically on its prey
September 24, 2021 | education
| Determine the initial speed of a falcon falling vertically on its prey, if its speed at the moment of falling is 50 m / s, and the time of fall is 4.8 s.
Initial data: V (speed of the falcon at the moment of fall) = 50 m / s, t (duration of the fall of the falcon) = 4.8 s.
Constants: g (acceleration of gravity) = 10 m / s ^ 2 = a.
Let us express the initial speed of the falcon from the formula:
V = V0 + a * t = V0 + g * t.
V0 = V – g * t.
Let’s do the calculation:
V0 = 50 – 10 * 4.8 = 2 m / s.
Answer: The initial speed of the falcon before the sheer fall was 2 m / s.
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