SOLUTION: HOW TO DERIVE THIS PROBLEM: when the particles moves the first half of a distance at a speed of v1 and second half of the distance at speed v2 then Va

Algebra ->  Test -> SOLUTION: HOW TO DERIVE THIS PROBLEM: when the particles moves the first half of a distance at a speed of v1 and second half of the distance at speed v2 then Va      Log On


   



Question 1124756: HOW TO DERIVE THIS PROBLEM:
when the particles moves the first half of a distance at a speed of v1 and second half of the distance at speed v2 then
Vav= 2v1+2v2/v1+v2

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
HOW TO DERIVE THIS PROBLEM:
when the particles moves the first half of a distance at a speed of v1 and second half of the distance at speed v2 then
Vav= 2v1+2v2/v1+v2
====================
Not clear.
Avg speed of a round trip, or of 2 equal lengths is:
----
2v%5B1%5D%2Av%5B2%5D%2F%28v%5B1%5D%2Bv%5B2%5D%29