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`        A ladder isresting with the wall at the angel of 30 degree.A man is ascending the ladder at the rate of 3ft/sec.His rate of approaching the wall is`
8 years ago

Pratham Ashish
17 Points
```										hi,
ur question is very straight forward ,
here u just hav to aplly the basic concept of relative motion
since wall is not moving, so rate of approach of man towards wall is his horizontal component of velocity as this component is responsible for the movement of man in the direction of wall and its vertical component is responsible for his vertical motion on the ladder so
rate of approach  =  3*cos30° ft/sec

with regards
pratham
```
8 years ago
Pratham Ashish
17 Points
```										hi,
consider the figure,

approach velocity will be equal to the horizontal component of velocity = v cos (90-30)
= 3cos 60
=  3/2 ft./s

```
8 years ago
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