In the morning, john drove to his mother's house in the village at an average speed of 60 kilometers per hour. when he was going back to town in the evening, he drove more cautiously and his speed was lower. if john went the same distance in the evening as in the morning, what was john's average speed for the entire trip?
Answers: 2
, where v2= velocity at the end and v1= velocity in the beggining
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In the morning, john drove to his mother's house in the village at an average speed of 60 kilometers...
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