J=joules, c=specific heat, q= energy, and the Tf and Ti are the final and initial temperatures cause I couldn't find a delta sign.
 
 
        
        
        
<span>The time needed for a wave to make one complete cycle is its period.</span>
        
             
        
        
        
I believe the best answer is law, as scientific laws are accepted to be true under the proper conditions. 
        
                    
             
        
        
        
I am not sure what kind of answer you are looking for but the start of friendship.
        
             
        
        
        
Answer:
I think A golf ball shot out of a small cannon
Explanation: