Author Question: A pendulum that was originally erected by Foucault at the Pantheon in Paris for the Paris Exhibition ... (Read 85 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
A pendulum that was originally erected by Foucault at the Pantheon in Paris for the Paris Exhibition in 1851 was restored in 1995. It has a 28.0-kg sphere suspended from a 67.0-m light cable.
 
  How long would it take for the bob in this pendulum to move from the position of maximum displacement down to the equilibrium point? A) 4.11 s
  B) 21.5 s
  C) 2.58 s
  D) 32.2 s
  E) 42.9 s

Question 2

In a double-slit experiment, the slit separation is 1.75 mm, and two coherent wavelengths of light, 425 nm and 510 nm, illuminate the slits.
 
  At what angle from the centerline on either side of the central maximum will a bright fringe from one pattern first coincide with a bright fringe from the other pattern?



peilian

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

A

Answer to Question 2

0.0835



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

For a complete list of videos, visit our video library