If a car covers 2/5 th of the total distance with v_(1) speed and 3/5th distance with v_(2) then average speed is

If a car covers 2/5th of the total distance with v1 ,speed and 3/5th distance with v2 then average speed is

" If a car covers "2/5" th of the total distance with "v_(1)" speed and "3/5" th distance with "v_(2)" then average speed is "

If a car covers (2)/(5)^(th) of the total distance with v_1 speed and (3)/(5)^(th) distance with v_2 . Then average speed is

If a car covers (2)/(3) of the total distance with speed nu_(1) and (3)/(5) distance with speed v, then average speed is

A particle covers half of its total distance with speed v_(1) and the rest half distance with speed v_(2) Its average speed during the complete journey is

A particle covers half of its total distance with speed v_1 and the rest half distance with speed v_2 . Its average speed during the complete journey is.

If a particle travels the first half distance with speed v_(1) and second half distance with speed v_(2) . Find its average speed during journey.