Plz ans this question Share with your friends Share 0 Sagar Kumar answered this Dear Student,Velocity is defined as v→=ds→dt i.e. the slope of displacement and time graph i.e. tan θ in case of straight line.So, v1→=tan60°=3And, v2→=tan45°=1 The ratio of velocities v1→: v2→=3:1Option (A) is correctRegards 1 View Full Answer