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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: High school
Topic ID: 142
Message ID: 0
#0, Car Problem
Posted by Dave on Mar-14-02 at 11:24 PM
Can anybody help me out with this please?


A Formula-1 race car is racing around a circular track, completing the first lap in 3 minutes with an average speed of 144 km/h. In what time must a second lap be driven in order for the average speed of the two laps to increase to 300 km/h?