Question

if the body goes from A to B with velocity V1 and returns to a with velocity V2 then​

Answer 1

Now, let the distance between A & B be 'd'.
We're gonna use the formula, (Distance)=(Speed)(Time).
Time taken to go from A to B is t1=d/V1.
Time taken to come from B to A is t2=d/V2.
Now, you know that average velocity is (total distance)/(total time).
Then, V(average)=(2d)/(t1+t2)=. You get V(average)=2(V1)(V2)/(V1+V2)


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Answer 2

Answer:

Average velocity V = 0

Explanation:

When it returns back, then the velocity will be 0 only