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 14 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?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Pairs of heavy and light chains combine to form a Y-shaped molecule Pairs of heavy and light chains combine to form a Y-shaped molecule
Color mixtures of refracted light—additive process. Color mixtures of refracted light—additive process.
Find the derivative using the power rule Q2 Find the derivative using the power rule Q2
An organizational specialist is hired as a consultant to a company planning to open a coffee ... An organizational specialist is hired as a consultant to a company planning to open a coffee ...
Jia's Fashions recently paid a $2 annual dividend. The company is projecting that its ... Jia's Fashions recently paid a $2 annual dividend. The company is projecting that its ...
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library