A man at rest observes that rain is falling with the elocity

Last updated: 6/1/2023

A man at rest observes that rain is falling with the elocity of 20 m s at an angle 30 with the vertical The velocity with which the man should move on horizontal road such that rain again appears to fal at 30 with the vertical will be 1 20 m s 3 10 m s 2 20 3 m s 4 10 3 m s