hifzarahman13 hifzarahman13
  • 04-03-2021
  • Physics
contestada

Calculate the efficiency of a hairdryer that has a total power input of 2000W and a useful power output of 1200W.

Respuesta :

paigevaughan304
paigevaughan304 paigevaughan304
  • 04-03-2021
Answer would be 40 w
Answer Link

Otras preguntas

. A grab-bag contains 20 packages worth $.70 each, 15 packages $.60 cents each, and 5 packages worth $.30 each. What is the expected value if you have to pay $
please give examples of infinitive and explain please also differentiate between infinte and finite verbs​
Read the excerpt from “The Caged Bird.” But a caged bird stands on the grave of dreams his shadow shouts on a nightmare scream his wings are clipped and his fee
For which type of pathogens do immunizations/vaccinations help prevent? To reduce the risk of atherosclerosis, it is important to cut down on?
what is the different nobel gases that didnt have octet rule​
Positive stress or “eu-stress” _____. a) is an adrenalin rush b) can help a person attain difficult goals c) can enhance performance d) all of the above
If the exchange rate when converting US dollars to Za rands is $1=R17 1. How much is $100 in ZA rands
Hugh bought some magazines that cost $3.95 each and some books that cost $8.95 each. He spent a total of $47.65. If Hugh bought 3 magazines, how many books did
Which of the following is true about population and resources? A. There is no relationship between population and the use of natural resources. B. People in
What is the minimum value of the following function f(x)=(x-1)^2 +1