A jogger with a constant velocity of 4.0 meters/second runs by a stationary dog. After 1 second, the dog decides to chase the jogger. The dog accelerates at .

a.
How long does it take the dog to catch the jogger?
b.
How far away from the spot where the dog was sitting has the jogger gone when she is caught by the dog?

Note:
assume the jogger is listening to walkman and doesn't realize the dog chasing her until it's too late. In other words assume constant velocity for the jogger.





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