Multiple Choice
The top of a ladder slides down a vertical wall at a rate of 0.1 m/s .At the moment when the bottom of the ladder is 3 m from the wall,it slides away from the wall at a rate of 0.2 m/s .How long is the ladder?
A) 2 m
B) 2.8 m
C) 2.3 m
D) 7 m
E) None of these
Correct Answer:
Verified
Correct Answer:
Verified
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