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 26 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
Wow, this really help

Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Cheetah front and hind feet, as illustrated in Pocock's The Fauna of British India, including C Cheetah front and hind feet, as illustrated in Pocock's The Fauna of British India, including C
A computer rendition of biological chromosomes (biology) A computer rendition of biological chromosomes (biology)
Increasing Costs of Natural Disasters Increasing Costs of Natural Disasters
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ... This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
Wash all surfaces in a massage room daily, including the massage table. Wash all surfaces in a massage room daily, including the massage table.
Schematic of a mitochondrion and Computer model generated from electron tomograms of a mitochondrion Schematic of a mitochondrion and Computer model generated from electron tomograms of a mitochondrion
Video: Polymerase chain reaction PCR - Animation

For a complete list of videos, visit our video library