3 2i j 4 5 i j 45 A person moving in straight line cover

Last updated: 6/12/2023

3 2i j 4 5 i j 45 A person moving in straight line cover first half interval of time with speed x then in next half 45 interval he divide remaining distance in two equal parts and covers them with speed y and z respectively Average speed of total motion is 2x y z 2x y z 1 3 x y z 3 2 xy xz 2yz 2 y z 3xyz xy yz zx