Задача 10750.

In rhythmic gymnastics athlete rolls the ball at a speed of 4 m / second athlete, who is from the first at a distance of 7 m. The second athlete must perform a somersault during the movement to the ball and move it with the 1 m toward the ball. Calculate the time after which the second athlete catches the ball, and the required frequency for the flip-flop.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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