Answer:
There isnt enough in your question to answer the question bro, like we need a picture or something bro.
Explanation:
 
        
             
        
        
        
Answer:
D.Entropy tends to increase.
Explanation:
 The second of thermodynamics states that the state of entropy of the entire universe,as an isolate system, will always increase over time
 
        
             
        
        
        
Answer:
Cable color codes are very important for example, If something is not wired properly, it can result in injuries, deaths, fires, and many other problems. This is why there are well-established wire color codes to ensure those working with an around this type of equipment can ensure everything is wired safely and effectively. If we used three phase cables without color code, this can lead too incorrect things that might be a hazard too get not fix and learning new color codes would be hard therefore we should stick too the same color codes for cables and it saves the hassle for needing too check every cable cord color then the original one signed too it.
 
        
             
        
        
        
Explanation: (I think)
Plug your values into the momentum equation.
So m1= 63kg
m2 = 10 kg
V1 = 12 m/s
And then plug in your values and solve for your unknown (v2)