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Question & Answer: A particle (charge = 50 mu C) moves in a region where the only force on it is an…..

PA 3-11 The local drivers license center processes... The local drivers license center processes applications for drivers license renewals through the following three steps. First, the customer registers with one of 3 receptionist(s), who updates the customers information in the database. This first step takes 9 minutes per customer. Then the customer visits one of 4 cashiers to pay the associated fees for the license renewal. This takes 4 minutes per customer because several forms must be printed from the computer and signed by the customer. Finally, the customer visits one of 5 license processing stations where the customers picture is taken and the license is printed. This final step takes 6 minutes per customer Assuming unlimited demand, what is the flow rate of the process in customers per hour? (Round to nearest integer) 400 per hour a. Assuming unlimited demand, what would the new flow rate be if the center added one server to the bottleneck resource? (Round to nearest integer) b. 800 per hour
A particle (charge = 50 mu C) moves in a region where the only force on it is an electric force. As the particle moves 25 cm from point A to point B, its kinetic energy increases by 1.5 mJ. Determine the electric potential difference, V_B – V_A.

Expert Answer

First step –

Flow rate through the first step = 9 minutes per customer

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Number of receptionists available = 3

The effective flow rate adjusted for single receptionist = 9/3 = 3 minutes

Second Step :

Flow rate through second step = 4 minutes

Number of cashiers = 4

The effective flow rate through the second step = 1 minute.

Third Step

The flow rate through third step = 6 minutes

Number of license processing stations = 5

The effective flow rate through the third step = 6/5 = 1.2 minutes

The effective flow rates are as follows –

  • First step = 3 minutes
  • Second step = 1 minute
  • Third step = 1.2 minutes

The bottle neck step is the step with highest flow rate. That is step one with flow rate of 3 minutes. This will decide process flow rate. Therefore, process flow rate = 3 minutes per customer.

Therefore flow rate of the process = 60/3 = 20 customers per hour

If one server is added to the bottleneck resource, the effective flow rate for step one will be = 3/2 = 1.5

The new flow rate will be = 60/1.5 = 40 customer per hour

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