This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Consider the negative pion, -. (a) What combination of up and down quarks makes up this particle? ... (Read 133 times)

theo

  • Hero Member
  • *****
  • Posts: 698
on: Jul 29, 2018
Consider the negative pion, -.
  (a) What combination of up and down quarks makes up this particle?
  (b) Is the - a baryon or a meson?
  (c) Is the - a lepton or a hadron?
 
  What will be an ideal response?

Question 2

Suppose that the speed of an electron traveling 2.0 km/s is known to an accuracy of 1 part in 105 (i.e., within 0.0010).
 
  What is the least possible uncertainty within which we can determine the position of this electron? (melectron = 9.11  10-31 kg, h = 6.626  10-34 J  s)
  A) 2.0 mm B) 14 cm C) 8.5 nm D) 5.8 mm E) 14 mm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sultana.d

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) d (b) meson (c) hadron

Answer to Question 2

D


theo

  • Member
  • Posts: 698
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Crystallized negative stain salts Crystallized negative stain salts
gold nano-particle gold nano-particle
Gram Postive & Gram Negative Bacteria Gram Postive & Gram Negative Bacteria
Sheryl Crow - If It Makes You Happy Sheryl Crow - If It Makes You Happy
Timothy O'Sullivan (negative) and Alexander Gardner (print), A Harvest of Death, Gettysburg, ... Timothy O'Sullivan (negative) and Alexander Gardner (print), A Harvest of Death, Gettysburg, ...
A typical ratchet used to rotate a socket. A ratchet makes a ratcheting noise when it is being ... A typical ratchet used to rotate a socket. A ratchet makes a ratcheting noise when it is being ...
Video: Power Supply Polyacrylamide Gel Protein Sample

For a complete list of videos, visit our video library