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DELLI
Questions and answers by visitors named
DELLI
Questions (2)
A car makes a trip due north for three fourths of the time and due south one-fourth of the time. The average northward velocity
4 answers
3,913 views
In 1954 the English runner Roger Bannister broke the four minute barrier for the mile with a time of 3:59.4s (3 min and 59.4
1 answer
761 views
