Posted by shili on Tuesday, September 20, 2011 at 11:43pm.
A train travels 50 km and stops to pick up freight. It then travels another 150 km before dropping off the freight. Its total travel time is 11 hours. What is the average velocity of the train if it travels a straight track?

physics  jbjb, Friday, September 13, 2013 at 1:09am
67

physics  Anonymous, Friday, October 10, 2014 at 12:51am
18.18
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