Problem P. 4095. (October 2008)
P. 4095. The traffic in some part of a threelane motorway is restricted to only one lane. In this part the cars move uniformly at a speed of 54 km/h and 11m long gaps are formed between them.
a) What is the speed of the cars before the onelane part, if the gap between them is 2 m?
b) What will the length of the gaps between the cars be after the onelane part if the cars speed up to a velocity of 126 km/h?
Let us consider the length of each car 4 m.
(4 pont)
Deadline expired on 11 November 2008.
Statistics:
171 students sent a solution.  
4 points:  85 students. 
3 points:  7 students. 
2 points:  21 students. 
1 point:  32 students. 
0 point:  26 students. 
