Huangdongcheng
				
				
			 
			
	
	
	
		
	
	
			
		
		
			
			
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This is the problem I encountered when studying physics. Then I presented the problem for discussion!weirdoguy said:I've been teaching physics since 2008, and I've spent 5 hard years becoming a physicist. We all here thought about these questions seriously multiple times. You have not and you're wasting our time. You are not here to learn. This thread is going nowhere.