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April 19, 2014

Homework Help: Physics

Posted by Anonymous on Tuesday, July 2, 2013 at 1:46am.

A "rocket car" is launched along a long straight track at t=0s. It moves with constant acceleration a1=3.0m/s^2. At t=2.5s, a second car is launched with constant acceleration a2=9.0m/s^2.

1. At what time does the second car catch up with the first one?
2. How far have the cars traveled when the second passes the first?

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