A car goes round a crcular path A-B-C-D-A the speed of the car while
it is taking on the different sections AB, BC, CD and DA are
v, 2v, 4v & 4v respectively. Find the average speed of the car.
1) v
2) 2v. 3) 2.4 v. 4) 2.6 v
the answer is 2) 2v.
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