A Person Completes Half Of Its His Journey With Speed V 1 And Rest Half With Speed V2. The Average Speed Of The Person Is?
A person completes half of its his journey with speed v 1 and rest half with speed v2. The average
speed of the person is?
(1) v=v1+v2/2
(2) v=2v1v2/v1+v2
(3) v=v1v2/v1+v2
(4) v=√v1+v2
asked Jun 15 12:00:00 AM