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#1. Two rugby players are running towards each other. They are 37 m apart. If one is accelerating from rest at 0.5 m/s^2 and the other was already moving at 3.1 m/s and maintains her speed, how long before they crunch together?

* I did a questioin like this but both people where going at a constant speed. How do I account for the person accelerating?

[tex] \frac{x}{???} = \frac{37 - x}{3.1}[/tex]

#2. Superwoman is hovering above the ground when a person free-falling goes by her at terminal velocity of 140 km/h. Unfortunately, the parachute does not open. If it takes her 1.9 s to realize the person is in distress, what must her acceleration be if she is to catch the person just before she hits the ground 1000m below?

* I guess I could find the distance she travelled in the 1.9 s and substract it from 1000. Not sure where to go from there.

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