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A kite is flying at a height of 40 meter...

A kite is flying at a height of 40 meters .The boy who is flying it is carrying it at the rate of `3m//sec`. Height of the kite remains the same and the string is staight (taut).The rate at which the string is being paid out , when itys length is 50 meters , is

A

`(81)/(25)m//sec`.

B

`(9)/(5) m//sec`.

C

`(5)/(9) m//sec`.

D

`(25)/(81) m//sec`.

Text Solution

Verified by Experts

The correct Answer is:
B
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