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A 10cm long rod AB moves with its ends o...

A 10cm long rod AB moves with its ends on two mutually perpendicular straight lines OX and OY . If the end A be moving at the rate of `2cm//sec`, then when the distance of A from O is 8cm, the rate at which the end B is moving is

A

`8/3` cm/sec

B

`4/3` cm/sec

C

`2/9` cm/sec

D

None of these

Text Solution

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The correct Answer is:
A
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