Solution of task 9.6.5 from the collection of Kepe OE

Solution of task 9.6.5 from the collection of Kepe OE

9.6.5
The bar AB slides, resting its ends on a horizontal and inclined plane. At what value in degrees of angle between the bar and the horizontal plane, the moduli of velocities of its ends will be the same if the angle? = 60 °. (Answer 30)

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