Task id11882

Task id11882

The rocket was launched from the surface of the Earth and moved vertically upward with an acceleration of 5 m/s2 for 10 s while its engines were running. How long will it take from the moment the engines stop working until the rocket falls to Earth (Fig. 1.8)? Neglect air resistance. Acceleration of free fall is assumed to be equal to 10 m/s2.

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