Question
A vehicle travels half the distance L with speed V1 and the other half with speed V2, then its average speed is
Options :
(V1+V2)/2
(2V1+V2)/(V1+V2)
(2V1V2)/(V1+V2)
L(V1+V2)/V1V2
Answer :
(2V1V2)/(V1+V2)
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