You and your friend are running at each other from 200 m apart. After 10 seconds and having passed the 50 m mark on your side, you see your friend has already gone 60 m on his. Assume he maintains the same constant speed. What will your average speed need to be for the remaining time in order for you to both have covered the same amount of distance when you meet? 7.5 m/s 6.0 m/s 8.5 m/s 9.0 m/s

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