Q. 264.5( 12 Votes )

A bird is sitting

Answer :

On the basis of condition given in the question the figure can be drawn as:


Let us assume BC be the tree and BD be x and AB be y


Now in right triangle ABC, we have



(i)


Also, in right triangle ADE we have





Now putting the value of y from (i), we get




x = 80 (1.732 – 1)


= 80 × 0.732


= 58.56 m


We know that,




= 29.28 m/sec

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