21 A ball is projected on a level ground such that its range

Last updated: 6/12/2023

21 A ball is projected on a level ground such that its range is 20 m An observer moving parallel to the plane of projection observes range of 10 m relative to himself The ball has an initial velocity of 10 2 m s There are two values of velocity of observer for which it possible Find sum of velocities if they have same starting point