A particle covers one fourth of its distance with speed v and remaining three fourth with speed 2v .The average speed of particle 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

A vehicle travels half the distance (L) with speed V_1 and the other half with speed V_2 , then its average speed is .

A car complete the first half of its journey with speed v_(1), and the rest half with speed v_(2). The average speed of the car in whole journey: