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 16 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 newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front
A person with a defective "P" gene might only have it effect the Hair A person with a defective "P" gene might only have it effect the Hair
Infants often rely on a caregiver as a secure base when they meet a new person. Infants often rely on a caregiver as a secure base when they meet a new person.
A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ... A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ...
Relative Humidity Changes at Constant Water-Vapor Content Relative Humidity Changes at Constant Water-Vapor Content
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

For a complete list of videos, visit our video library