Problem 31659.
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- Юрий Физик · about the seller and their products
DESCRIPTION
Problem 31659.
From the tower a stone is thrown horizontally at a speed of 20 m / s. After how many seconds will the stone speed increase twofold? What angle with the vertical will be the velocity vector at this moment?
Additional information:
A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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