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A body is projected from a point on ground. If just crosses a wall of height 20 m at a distance 20 m from the point of projection. If the body strikes the ground at a distance of 60 m, from the wall, the angle of projection is
detailed solution
Correct option is C
y=xtanα1−xR⇒20=20tanα1−2080⇒tanα=43⇒α=53oTalk to our academic expert!
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