A particle is projected at an angle 45 from a point lying 2 m from the foot of a wall It just touches the top of the wall and

Question

A particle is projected at an angle 45 from a point lying 2 m from the foot of a wall It just touches the top of the wall and falls on the ground 4 m from it The height of the wall is A C 4321 m m B m D ww m

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