Answer:   Gases have three characteristic properties: (1) they are easy to compress, (2) they expand to fill their containers, and (3) they occupy far more space than the liquids or solids from which they form. An internal combustion engine provides a good example of the ease with which gases can be compressed.
Explanation:
 
        
             
        
        
        
Answer:
Distance travelled is 7 meters and the displacement is 3 meters 
 
        
                    
             
        
        
        
The pertinent equation here is F=ma.  You haven't shared the mass of the box, so I will use M to represent that mass.
Then F = M(<span>2.3 m/s^2)        (answer)</span>
        
                    
             
        
        
        
Answer: The distance between the man and the plane increasing at a rate of 400ft/s
Explanation: Please see the attachments below
 
        
             
        
        
        
now you can yourself know to which part of electromagnetic spectrum the photon belongs.... 
not fitting sharply in green