Material point moves from rest down on a smooth plane, which is inclined at an angle of 10 ° to the horizontal. Determine how much time will pass a way point of 30 m

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(Chapter 3 - Dynamics theme - 13.1: Defining the parameters of linear motion by the given forces) from the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
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