Answer:
The tension in the cord is 
Explanation:
Given:
M = mass
b = radius
R = spool of radius
The equation is:
 (eq. 1)
 (eq. 1)
The sum of forces in y:
∑Fy = Mg - T = Ma

Replacing in eq. 1

 
        
                    
             
        
        
        
Answer:
yes it doesn't matter
Explanation:
it doesn't matter because troughs and crests are the same and either can be used
 
        
             
        
        
        
Answer and Explanation:
You don't have water because of two possible reasons:
- Because of the summer and the little rain, the underwater supply goes low.
- The slope in the hill you live makes the underground water goes down by the effect of gravity. Imagine the underground water like a small tank, when the water is reduced for any reason the bottom of the tank will have the remaining water, while the top part will be "empty".
 
        
             
        
        
        
The answer is A, it breaks down and releases thermal energy. 
        
                    
             
        
        
        
Answer: dakdadakdadakdadakda
Explanation:(sings) blah blah blah middle fingers in the air l-l-l-loser