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 64 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?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Lower Limbs & Pelvis Lower Limbs & Pelvis
Relative Energy Consumption per Person for Selected Countries Relative Energy Consumption per Person for Selected Countries
Generally, the total tax burden in the United States is much lower than that of other industrialize Generally, the total tax burden in the United States is much lower than that of other industrialize
The lower intake manifold attaches to the cylinder heads. The lower intake manifold attaches to the cylinder heads.
Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ... Gradient Flow:Upper air moving from areas of higher pressure to areas of lower pressure undergo ...
An Enzyme in Action Enzymes speed up reactions in your body An Enzyme in Action Enzymes speed up reactions in your body
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library