thermodynamics

design a 1200-W electric hair dryer such that the air temperature and velocity in the dryer will not exceed 50 C and 3 m/s respectively

  1. 👍 0
  2. 👎 0
  3. 👁 81
asked by layla
  1. me too have same question.. IF I find the answer I will write here

    1. 👍 0
    2. 👎 0
    posted by cemal
  2. hope to solve it before 29 of may

    1. 👍 0
    2. 👎 0
    posted by layla

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science 8th Grade

    Items of clothing rub against each other when they are in a clothes dryer. This can sometimes cause a person to feel a slight shock when he or she removes the clothes from the dryer. This is due to A. The dryer not being grounded

    asked by * on March 4, 2015
  2. Physical Science

    The current in a hair dryer measures 15.0 amps. The resistance of the hair dryer is 8 ohms. What is the voltage? A. 120 V B. 0.5 V C. 7 V D. 1800 V I tried this and got D but it was wrong....can I get a little help on how to do

    asked by Elizađź’• on January 25, 2016
  3. physics

    A hair dryer uses 10A at 120V. It is used with a transformer in England, where the voltage is 240V. A. What should be the ratio of the turns of the transformer? B. What current will the hair dryer now draw?

    asked by Crystal on February 28, 2011
  4. physics

    A hair dryer draws a current of 9.7 A. (a) How much charge passes through the hair dryer in 3.5 min? 1 C (b) How many electrons does this represent? 2 electrons

    asked by Alice on May 11, 2012
  5. physics

    A hair dryer draws a current of 9.7 A. (a) How much charge passes through the hair dryer in 3.5 min? 1 C (b) How many electrons does this represent? 2 electrons

    asked by Amelia on May 14, 2012
  6. Physics

    Use the relationship power = current voltage to find out how much current is drawn by a 1350 watt hair dryer when it operates on 120 volts. Then use Ohm's law to find the resistance of the hair dryer.

    asked by John on February 21, 2011
  7. child day care management,health,safety,and nutrit

    The children in your class are working on an art project that requires them to use a standard hair dryer to produce a particular effect. of the following locations,wich one would be the safest place to put the hair dryer while the

    asked by alex on February 16, 2011
  8. Jenish

    A 1200 W hair dryer is designed for 117 v. a) What will be the percentage change in power output if the voltage drops to 105 v. b) How would the actual change in resistivity with temperature affect your answer.

    asked by Physics on February 16, 2008
  9. health, safety, and nutrittion

    the children in your class are working on an art project thar requires them to use a standard hair dryer to produce a particular effect. of the following locations, which one would be the safest place to put the hair dryer while

    asked by Alana on November 9, 2011
  10. physics

    please help If a 120 volt line to a socket is limited to 15 amperes by a fuse, will it operate a 1200 watt hair dryer? yes????

    asked by miley on November 11, 2007

More Similar Questions