Mechanical Energy Balance: ConcepTest and Example Problem

Try to answer this ConcepTest and solve the example problem before using this module. Studies show that trying to answer the questions before studying material improves learning and retention. We suggest that you write down the reasons for your answers. By the end of this module, you should be able to answer these on your own. Answers will be given at the end of this module.

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Example Problem 1

A 60-cm tall coffee urn is filled to the top. It dispenses coffee through a 0.7-cm diameter nozzle that is 12 cm above the table surface. How long does it take to pour a 200-mL cup of coffee?