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

Author Question: If electricity costs 6.00/kWh (kilowatt-hour), how much would it cost you to run a 120 W stereo ... (Read 71 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jul 29, 2018
If electricity costs 6.00/kWh (kilowatt-hour), how much would it cost you to run a 120 W stereo system 4.0 hours per day for 4.0 weeks?
 
  A) 0.81
  B) 0.12
  C) 1.38
  D) 2.27

Question 2

An object of mass m rests on a flat table. The earth pulls on this object, exerting a force of magnitude mg. What is the Newton's third law pair force to this pull?
 
  A) The table pushing up on the object exerting the force mg.
  B) The object pushing down on the table exerting the force mg.
  C) The table pushing down on the floor exerting the force mg.
  D) The object pulling upward on the Earth exerting the force mg.
  E) The table pulling upward on the Earth exerting the force mg.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

taylorsonier

  • Sr. Member
  • ****
  • Posts: 377
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


magmichele12

  • Member
  • Posts: 559
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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.

Should We Prolong Life at all Costs? Should We Prolong Life at all Costs?
Electricity production accounts for 25% of greenhouse gas emissions Electricity production accounts for 25% of greenhouse gas emissions
Tuition Costs Tuition Costs
A company that makes environmental measuring devices has calculated their revenue and costs as ... A company that makes environmental measuring devices has calculated their revenue and costs as ...
Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 times the regular rate for all ... Sonja is paid $42.50 per hour as a veterinarian. She is paid 1 times the regular rate for all ...
A cowbird with its foster parent. A female cowbird minimizes her cost of parental care by laying her A cowbird with its foster parent. A female cowbird minimizes her cost of parental care by laying her
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library