Physics-ch-27/exercise 54
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Physics for Scientists and Engineers (9th Edition)

Chapter-27

Table of Content


Question 54





Q54: Make an order-of-magnitude estimate of the cost of one person’s routine use of a handheld hair dryer for 1 year. If you do not use a hair dryer yourself, observe or interview someone who does. State the quantities you estimate and their values.
Average cost of energy in US=
Average power of hairdryers =
Time of Operation = min a day in a year.