Question

hey guys plz solve my question​

Answer 1

Answer:

hey, answer root 3gl

v = /v^2 + mg L/2 (1-cos 90) at the perpendicular to theta = 90

v= / (/gl )^2 + mgL/2 (1- 0 )

v= / gl + mgL/2. ( /= root )

v= 3mgL