The ball slides once without friction along the groove ABC. and another time - ADC. AB and CD are vertical, corners ABC and ADC are rounded. The initial speed of the ball at point A is the same and is sufficient to reach point C. Graphically depict the dependence of the speed of the ball on time if AB=BC=CD=AD. Consider three options regarding the location of points A, B, C, D shown in Figures a, b and c.
Detailed solution. Format gif
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