12-142. A toboggan is traveling down along a curve which

Chapter 12, Problem 12-142

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12-142. A toboggan is traveling down along a curve which can be approximated by the parabola y = 0.0 l.r2. Determine the magnitude of its acceleration when it reaches point A. where its speed is vA = 10 m/s, and it is increasing at the rate of vA = 3 m/s2.

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