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 93 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?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Percussing Liver Span, Determining Lower Liver Border Percussing Liver Span, Determining Lower Liver Border
Although Neandertal brain sizes fall well within the modern human range, their EQ is lower than mode Although Neandertal brain sizes fall well within the modern human range, their EQ is lower than mode
Your nose runs like a leaky faucet and turns beet red from constant wiping Your nose runs like a leaky faucet and turns beet red from constant wiping
Improving your flexibility can help you reduce muscle soreness and lower your risk of injury Improving your flexibility can help you reduce muscle soreness and lower your risk of injury
Speed of Convergence to the Steady State Speed of Convergence to the Steady State
Video: Structures that affect circulation - kidneys, blood volume and venous tone

For a complete list of videos, visit our video library