Posted by **Tre** on Thursday, October 3, 2013 at 8:11pm.

A young woman named Kathy Kool buys a

sports car that can accelerate at the rate of

5.14 m/s

2

. She decides to test the car by drag

racing with another speedster, Stan Speedy.

Both start from rest, but experienced Stan

leaves the starting line 0.78 s before Kathy.

Stan moves with a constant acceleration of

3.68 m/s

2

and Kathy maintains an acceleration of 5.14 m/s

2

.

Find the time it takes Kathy to overtake

Stan.

Answer in units of s

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