1.36. A particle A moves in one direction along a given trajectory with a tangential acceleration u), = at, where a is a constant vector
coinciding in direction with the x axis (Fig. 1.4), and T is a unit vector
coinciding in direction with the velocity vector at a given point.
Find how the velocity of the particle depends on x provided that its
velocity is negligible at the point x = 0.
1.37. A point moves along a circle
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