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A ladder of length 17m rests with one en...

A ladder of length `17m` rests with one end agains a vertical wall and the other on the vessel ground. If the lower end slips away at the rate of `1ms^(-1)` , then when it is `8m` away from the wall, its upper end is coming down at the rate of

A

`5/8m//sec`

B

`8/15m//sec`

C

`(5pi)/8m//sec`

D

`8/5m//sec`

Text Solution

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The correct Answer is:
B
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