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 68 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
YES! Correct, THANKS for helping me on my review

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

A very high-resolution texture of the Moon, including a normal map A very high-resolution texture of the Moon, including a normal map
Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio
Percentages of adolescents indicating Benefits and Costs of employment. Percentages of adolescents indicating Benefits and Costs of employment.
The fuel level must be above 15% and below 85% before the EVAP monitor will run on most vehicles. The fuel level must be above 15% and below 85% before the EVAP monitor will run on most vehicles.
Summer squash exhibiting various fruit-shape phenotypes, including disc, long, and sphere Summer squash exhibiting various fruit-shape phenotypes, including disc, long, and sphere
Insect PollinationHoneybees are efficient pollinators of a variety of flowers, including those of be Insect PollinationHoneybees are efficient pollinators of a variety of flowers, including those of be
Video: Methods that regulate pH

For a complete list of videos, visit our video library