On a stationary bench, Zhukovsky stands a man and catches a ball weighing m = 250 g, flying at a velocity V = 36 m / s in the horizontal direction at a distance r = 70 cm from the vertical axis of rotation of the bench. After this, the bench began to rotate with an angular velocity of 0.9 rad / s. Find the moment of inertia of a person and a bench.

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