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

Author Question: A 400-W computer (including the monitor) is turned on for 8.0 hours per day. If electricity costs 10 ... (Read 81 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 29, 2018
A 400-W computer (including the monitor) is turned on for 8.0 hours per day. If electricity costs 10 per kWh, how much does it cost to run the computer annually for a typical 365-day year?
 
  A) 1200 B) 15 C) 120 D) 17 E) 150

Question 2

The spacing of the atoms of a crystal is 159 pm. A monoenergetic beam of neutrons directed normally at the surface of the crystal undergoes first order diffraction at an angle of 58 from the normal.
 
  What is the energy of each of the neutrons? (mneutron = 1.675  10-27 kg, 1 eV = 1.6  10-19 J, h = 6.626  10-34 J  s) A) 0.045 eV
  B) 0.039 eV
  C) 0.050 eV
  D) 0.056 eV
  E) 0.061 eV
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jul 29, 2018
Gracias!

zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Energy costs of locomotion. Energy costs of locomotion.
Skin structure, including the three layers of the skin and the accessory organs: sweat gland, sebace Skin structure, including the three layers of the skin and the accessory organs: sweat gland, sebace
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Headlights were turned off and the battery voltage quickly recovered to indicate 12.6 volts. Headlights were turned off and the battery voltage quickly recovered to indicate 12.6 volts.
Electricity production accounts for 25% of greenhouse gas emissions Electricity production accounts for 25% of greenhouse gas emissions
The deadline is in 2 hours somebody can help me, please!!! The deadline is in 2 hours somebody can help me, please!!!
Video: Elementary kinetics

For a complete list of videos, visit our video library