This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A water pump draws about 4.4 A when connected to 240 V. What is the cost (with electrical energy at ... (Read 13 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Jul 28, 2018
A water pump draws about 4.4 A when connected to 240 V. What is the cost (with electrical energy at 9 cents per kWh) of running the pump for 10 h?
 a. 82 cents
  c. 95 cents
  b. 8.0 cents
  d. 15 cents

Question 2

A ventilation fan with a moment of inertia of 0.034 kgm2 has a net torque of 0.11 Nm applied to it. If it starts from rest, what angular momentum will it have 9.0 s later?
 a. 0.88 kgm2/s
  c. 2.0 kgm2/s
  b. 0.99 kgm2/s
  d. 3.25 kgm2/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

swimkari

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


fnuegbu

  • Member
  • Posts: 539
Reply 2 on: Jul 28, 2018
Excellent

covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Elle and associates investigated the cost to Datura wrightii of producing sticky leaf trichomes. Elle and associates investigated the cost to Datura wrightii of producing sticky leaf trichomes.
To check to see if the electric fuel pump can be operated from the relay contacts, use a fused ... To check to see if the electric fuel pump can be operated from the relay contacts, use a fused ...
Reactions 6–10: The Energy Generation Phase Reactions 6–10: The Energy Generation Phase
Water breaks (Or Water rupture) "نزول ماء الجنين او ميه الراس" Water breaks (Or Water rupture) "نزول ماء الجنين او ميه الراس"
Permafrost: High albedo, reflects as much as 90% of the Sun’s energy Permafrost: High albedo, reflects as much as 90% of the Sun’s energy
Intraaortic balloon pump. The balloon deflates during systole, so cardiac output is unimpeded. Intraaortic balloon pump. The balloon deflates during systole, so cardiac output is unimpeded.
Video: Transcription—A molecular view

For a complete list of videos, visit our video library