An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

Question

GinnyAnswer · Answer

The question requires recalling the number of US troops in Vietnam by 1969. 
 Based on historical data, the number was approximately 500,000. 
 Therefore, the answer is 500 , 000 ​ . 
 
 Explanation 
 
 Problem Analysis The question asks for the number of US troops in Vietnam by 1969. We need to choose the correct answer from the given options. 
 
 Historical Data Based on historical data, the number of US troops in Vietnam by 1969 was approximately 500,000. 
 
 Final Answer Therefore, the correct answer is 500,000.

Examples 
 Understanding historical events like troop deployments helps us analyze the impact of conflicts. For example, knowing the number of troops deployed can help estimate the resources used and the scale of the operation, which is crucial for understanding the socio-economic impact of the war. This kind of analysis is used in political science and history to understand the consequences of military actions.

Anonymous · Answer

Approximately 2.81 x 10^21 electrons flow through an electric device that delivers a current of 15.0 A for 30 seconds. This calculation is based on the total charge and the charge of a single electron. Understanding current and how to calculate total charge is essential in physics. 
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An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

Answer (2)

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