Question

A body is projected with velocity u at an angle of projection with the horizontal. The body
makes 30° with the horizontal at t = 2 second and then after 1 second it reaches the
maximum height. Then
(A) u = 20/3 m/s
(B) 0 = 60°
(C) 0 = 45°
(D) u = 20/13 m/s​

Answer 1

Answer:

dont know plz ask it to some another person