The height to which the body will rise is thrown upward with an initial speed of 30 meters per second.
| December 25, 2020 | education
We use the formula without time:
V2 – V0 ^ 2 = –2gh.
The final velocity V is zero, so the formula will become shorter. Let us express from there the required height h .. V0 ^ 2 = 2gh ⇒ h = V0 ^ 2 / 2g.
Let’s calculate the answer: h = 30 ^ 2 / 2⋅10 = 900/20 = 45 km
Answer: 45
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