Question

From a point on the ground at a distance 2 metres from the
foot of a vertical wall, a ball is thrown at an angle of 4
which just clears the top of the wall and afterward strikes
the ground at a distance 4m on the other side. The height
of the wall is​

Answer 1

Answer:

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Explanation:

R=

g

u

2

or 6=

g

u

2

;

y=xtanθ−

2u

2

cos

2

θ

gx

2

⟹h=2tan45

∘

−

2cos

2

45

∘

4

(

6

1

)=2−

3

2

=

3

4