This topic contains a solution. Click here to go to the answer

Author Question: If electricity costs 6.00/kWh (kilowatt-hour), how much would it cost you to run a 120 W stereo ... (Read 21 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
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
Answer to Question 1

A

Answer to Question 2

D




magmichele12

  • Member
  • Posts: 559
Reply 2 on: Jul 29, 2018
Gracias!


TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

For a complete list of videos, visit our video library