02_P14InstructorSolution - 2.14 Model Visualize Solve We...

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2.14. Model: We are assuming both cars are particles. Visualize: Solve: The Porsche’s time to finish the race is determined from the position equation 2 P1 P0 P0 P1 P0 P P1 P0 22 P1 P1 1 () 2 1 400 m 0 m 0 m (3.5 m/s )( 0 s) 15.1 s 2 xxv tt a =+ −+ ⇒= + + = The Honda’s time to finish the race is obtained from Honda’s position equation as
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