Question

| 4. If a car covers 2/5 of the total distance with v,
speed and 3/5" distance with V, then average
speed is​

Answer 1

Answer:

5vV/2v+3V

Explanation:

take the two time taken as t₁ and t₂

t₁=s/v₁=2/5v₁

t₂=s/v₂=3/5v₂

avg.speed=total distance/total time

                 =(2/5+3/5)/2/5v₁+3/5v₂

by simplification,we get,

5v₁v₂/2v₁+3v₂

here,

v₁ is v and v₂ is on the basis of your question

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