A body is projected at an angle 600 with the horizontal and it just crosses a wall of height 3m and hits the ground 2m behind the wall. Then the distance of the wall from the point of projection is
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a
3 m
b
4 m
c
1.5 m
d
2 m
answer is D.
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Detailed Solution
If height of the wall is y, then y=x tanθ (1-xR) x is the distance of the wall from the point of projection y=x tan θ (1-xx+2) here θ=600
A body is projected at an angle 600 with the horizontal and it just crosses a wall of height 3m and hits the ground 2m behind the wall. Then the distance of the wall from the point of projection is