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A hair dryer is basically a duct of constant diameter in which a few layers of electric resistors are placed. A small fan pulls the air in and forces it through the resistors where it is heated. If the density of air is 1.20 kg/m³ at the inlet and 0.935 kg/m³ at the exit, determine the percent increase in the velocity of air as it flows through the dryer. p kg/m³ 1.20 kg/m³ The percent increase in the velocity of air is %.

A hair dryer is basically a duct of constant diameter in which a few layers of electric resistors are placed. A small fan pulls the air in and forces it through the resistors where it is heated. If the density of air is 1.20 kg/m³ at the inlet and 0.935 kg/m³ at the exit, determine the percent increase in the velocity of air as it flows through the dryer. p kg/m³ 1.20 kg/m³ The percent increase in the velocity of air is %.

Understanding Business
Understanding Business
12th Edition
ISBN:9781259929434
Author:William Nickels
Publisher:William Nickels
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
Section: Chapter Questions
Problem 1CE
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A hair dryer is basically a duct of constant diameter in which a few layers of electric resistors are placed. A small fan pulls the air in and forces it through the resistors where it is heated. If the density of air is 1.20 kg/m³ at the inlet and 0.935 kg/m³ at the exit, determine the percent increase in the velocity of air as it flows through the dryer. p kg/m³ 1.20 kg/m³ The percent increase in the velocity of air is %.
Transcribed Image Text:A hair dryer is basically a duct of constant diameter in which a few layers of electric resistors are placed. A small fan pulls the air in and forces it through the resistors where it is heated. If the density of air is 1.20 kg/m³ at the inlet and 0.935 kg/m³ at the exit, determine the percent increase in the velocity of air as it flows through the dryer. p kg/m³ 1.20 kg/m³ The percent increase in the velocity of air is %.
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