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

Author Question: A person is using a rope to lower a 5.0-N bucket into a well with a constant speed of 2.0 m/s. What ... (Read 68 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
A person is using a rope to lower a 5.0-N bucket into a well with a constant speed of 2.0 m/s. What is the magnitude of the force exerted by the rope on the bucket?
 
  A) 0.00 N
  B) 2.0 N
  C) 5.0 N
  D) 10 N
  E) 49 N

Question 2

A researcher is investigating a cubic crystal with x rays. He is looking at Bragg reflection from the planes parallel to the cube faces.
 
  He finds that when using x rays of 0.165 nm a strong first maximum occurs when the beam makes an angle of 23.5 with the planes. What is the spacing of adjacent atoms in the crystal?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

heinisk01

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

0.207 nm


Kikoku

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 29, 2018
Thanks


heinisk01

  • Sr. Member
  • ****
  • Posts: 329
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
The initial timing is where the spark plug fires at idle speed. The computer then advances the ... The initial timing is where the spark plug fires at idle speed. The computer then advances the ...
The Solar Constant The Solar Constant
How to solve a distance, time, speed problem using linear algebra How to solve a distance, time, speed problem using linear algebra
Apply superficial friction to the upper and lower back. Stand to one side. Ask the recipient to lean ... Apply superficial friction to the upper and lower back. Stand to one side. Ask the recipient to lean ...
Video: Cardiac Cycle (Part 2 of 4)

For a complete list of videos, visit our video library