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

Author Question: A 100-W driveway light bulb is on 10 hours per day. Assuming the power company charges 10 cents for ... (Read 11 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
on: Jul 27, 2018
A 100-W driveway light bulb is on 10 hours per day. Assuming the power company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.
 
  A) 3.65
  B) 7.30
  C) 21.40
  D) 36.50
  E) 73.00

Question 2

A wire, 0.60 m in length, is carrying a current of 2.0 A and is placed at a certain angle with respect to the magnetic field of strength 0.30 T.
 
  If the wire experiences a force of 0.18 N, what angle does the wire make with respect to the magnetic field?
  A) 20
  B) 25
  C) 30
  D) 35
  E) 60


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

succesfull

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


james9437

  • Hero Member
  • *****
  • Posts: 568
Reply #2 on: Jul 27, 2018
Thanks


succesfull

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Absorption of ultraviolet light by aromatic amino acids Absorption of ultraviolet light by aromatic amino acids
Table of Ionic Charges Table of Ionic Charges
International Television Viewing Rates in Childhood In most developed countries, children watch TV International Television Viewing Rates in Childhood In most developed countries, children watch TV
This headache remedy was “guaranteed” by the drug company; 1906. This headache remedy was “guaranteed” by the drug company; 1906.
Light palpation Light palpation
Using the Power Rule for Derivatives Using the Power Rule for Derivatives
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library