<span>There is no special name for that. Physics is usually just concerned with "forces", and doesn't specify whether the force pushes or pulls. If you want to be more specific, you can just call it a "pulling force".
I hoped this was satisfying!:)</span>
        
                    
             
        
        
        
The answer is C) <span>The higher frequencies of visible light were scattered by the colloid particles.</span>
        
                    
             
        
        
        
Answer:

Explanation:
Given that
x= 150 ft

y= 14 ft
From the diagram

When ,x= 150 ft and y= 14 ft


z=150.74 ft

By differentiating with respect to time t


Here x is constant that is why 


Now by putting the values in the above equation we get



Therefore the distance between balloon and observer increasing with 0.65 ft/s. 
 
        
             
        
        
        
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