« previous next »

Author Question: A half-ring (semicircle) of uniformly distributed charge Q has radius R. What is the electric ... (Read 301 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
on: Jul 29, 2018
A half-ring (semicircle) of uniformly distributed charge Q has radius R. What is the electric potential at its center?
 
  What will be an ideal response?

Question 2

Given that the wavelengths of visible light range from 400 nm to 700 nm, what is the highest frequency of visible light? (c = 3.0 x 108 m/s)
 
  A) 3.1  108 Hz
  B) 7.5  1014 Hz
  C) 2.3  1020 Hz
  D) 4.3  1014 Hz
  E) 5.0  108 Hz


tofugiraffe

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 29, 2018
Answer to Question 1

Q/4 0R

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

luvbio

  • Hero Member
  • *****
  • Posts: 623
Reply #2 on: Jul 29, 2018
TY


tofugiraffe

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Petrolisthes elongatus, the New Zealand half crab Petrolisthes elongatus, the New Zealand half crab
Radius and Ulna Radius and Ulna
A typical electric motor-driven AIR pump. This unit is on a Chevrolet Corvette and only works when ... A typical electric motor-driven AIR pump. This unit is on a Chevrolet Corvette and only works when ...
(A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ... (A) A brisk half-moon stroke is an efficient technique to use with the body brush or exfoliation ...
Half-life Formula Half-life Formula
A box contains red, yellow and green marbles. Half of the marbles are red, 1/8 of the remaining ... A box contains red, yellow and green marbles. Half of the marbles are red, 1/8 of the remaining ...
Video: What is Cholesterols? Introduction to Lipoproteins

For a complete list of videos, visit our video library