Recent content by Jenkin
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How often would Jeff have needed to measure Roger's speed?
Roger runs a marathon. His friend Jeff rides behind him on a bicycle and clocks his speed every 15 minutes. Roger starts out strong, but after an hour and a half he is so exhausted that he has to stop. Jeff's data follows. Time since start (min)0153045607590 Speed (mph)111099760 (A) Assuming...