A speedboat increases its speed uniformly from vi 5 20.0

Chapter 2, Problem 2.3.30

(choose chapter or problem)

A speedboat increases its speed uniformly from vi 5 20.0 m/s to vf 5 30.0 m/s in a distance of 2.00 3 102 m. (a) Draw a coordinate system for this situation and label the relevant quantities, including vectors. (b) For the given information, what single equation is most appropriate for finding the acceleration? (c) Solve the equation selected in part (b) symbolically for the boats acceleration in terms of vf , vi, and Dx. (d) Substitute given values, obtaining that acceleration. (e) Find the time it takes the boat to travel the given distance.

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