1. The disk mass 5kg and radius 25cm rotates with a frequency of 5 revolutions per second around a fixed axis that passes through its center of mass. a) calculate its momentum b) calculate the momentum of the disk when the axis of rotation bed bug registry passes through the edge of the disc?
11. Two identical ball after the elastic collision with the wall fly with the same speed, but one - the angle of 30 , and the second - at an angle of 60 to the wall. Compare the forces bed bug registry acting on the ball during the collision with the wall?
18. Compare the terminal velocity of the payload if: a) it is run by two missiles, engines are running simultaneously, and b) its run by two missiles, engines are running one after the other, sequentially?
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