55. The car moves along the curvature of the highway, h

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55. The car moves along the curvature of the highway, having a radius of curvature R = 50 m. The equation of motion of the car ξ (t) = A + Bt + Ct2, where A = 10 m, B = 10m / s, C = -0,5m / s2. Find: 1) vehicle speed, its tangential aτ, normal and complete AN and the acceleration at time t = 5 seconds. 2) The length of the path and the S module movement | Δr | car for the time interval τ = 10s, reckoned from the start of the movement.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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