The body was thrown vertically upward 0.5 s after the throw, its speed became 20 m / s.
| December 29, 2020 | education
The body was thrown vertically upward 0.5 s after the throw, its speed became 20 m / s. What is the initial velocity of the body, neglect the air resistance.
Let us write down the formula for the dependence of the speed on time and the initial speed.
V = Vo-gt. Hence Vo = V + gt = 25m / s. Such an allegedly difficult task was so easily solved.
Answer: Vo = 25m / s
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