1.

Two balls A and B are thrown with speed u and u/2 respectively. Both the balls cover the same horizontal distance before returning to the horizontal plane of projection. If the angle of projection of ball of B is 15∘ with the horizontal, then the angle of projection of A is

Answer»

Two balls A and B are thrown with speed u and u/2 respectively. Both the balls cover the same horizontal distance before returning to the horizontal plane of projection. If the angle of projection of ball of B is 15 with the horizontal, then the angle of projection of A is



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