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A ladder 5 m in length is resting agains...

A ladder 5 m in length is resting against vertical wall. The bottom of the ladder is pulled along the ground away from the wall at the rate of 1.5m/sec. The length of the highest point of the ladder when the foot of the ladder 4.0 m away from the wall decreases at the rate of

A

1

B

2

C

`2.5`

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
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