A particle is projected at an angle of elevation `alpha` and after t second it appears to have an elevation of `beta` as seen from the point of projection. Find the initial velocity of projection A particle is projected at an angle of elevation `alpha` and after t second it appears to have an elevation of `beta` as seen from the point of projection. Find the initial velocity of projection September 8, 2020 Category: Cengage NEET by C.P Singh , Chapter 4 - Motion in a Plane , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related