With what acceleration does a launching rocket with a mass of 3000 tons begin
| September 29, 2021 | education
With what acceleration does a launching rocket with a mass of 3000 tons begin to move if a reactive thrust force of 39000 kN acts on it? What speed will the rocket have 30 seconds after launch?
Solution:
v = at;
F = mа
a = 13 m / s˄2
v = 30 * 13 = 390 m / s
Answer: 390 m / s
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