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A ladder of 5 meters long rests against...

A ladder of 5 meters long rests against a vertical wall with the lower end on the horizontal ground.
. The lower end of the ladder is pulled along the ground away from the wali at the rate 3m/sec. The height of the upper end (in meters) while it is descending at the rate of 4m/sec, is

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
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