AB is the vertical diameter of a circle in a vertical plane

Last updated: 6/2/2023

AB is the vertical diameter of a circle in a vertical plane Another diameter CD makes an angle of 60 with AB then the ratio of the time taken by a particle to slide along AB to the time taken by it to slide along CD is A 1 1 B 2 1 Let A B C D be the points on the vertical lin V2 C 31 4 21 2 D 1 2