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AB is a pipe fixed to the ground at an i...

AB is a pipe fixed to the ground at an inclination of `37°`. A ball is projected from point O at a speed of `u = 20m//s` at an angle of `53°` to the horizontal and it smoothly enters into the pipe with its velocity parallel to the axis of the pipe. [Take`g = 10 ms^(–2)]`

(a) Find the length L of the pipe
(b) Find the distance of end B of the pipe from point O.

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