Question

The average speed of a body which covers half the
distance with velocity V, and remaining half
distance with velocity v2 is


please solve the solution here​

Answer 1

Answer:

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Answer 2

Answer:

average speed = distance / time taken to travel

let total distance be 'd'

given d/2 is travelled by speed  v1 and d/2 with v2

hence average speed =  d/(d/2v1+d/2v2)                       since t=d/v

                                       =4v1v2/2(v1+v2)

                                         =2v1v2/v1+v2

option 1

Explanation: