## Question

###### A train begins at the origin and moves at constant speed v1=11.7 m/s toward another train...

A train begins at the origin and moves at constant speed v_{1}=11.7 m/s toward another train which is initially at rest at a distance d=152 m from the first train. If the second train has an acceleration of magnitude a_{2}=0.95 m/s^{2} toward the first train, how far does the first train move before the trains collide? (Hint : use quadratic equation and choose positive time)

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