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Author Question: Consider the negative pion, -. (a) What combination of up and down quarks makes up this particle? ... (Read 191 times)

theo

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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


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sultana.d

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Reply #1 on: Jul 29, 2018
Answer to Question 1

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

Answer to Question 2

D


theo

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Reply 2 on: Jul 29, 2018
Wow, this really help

amandalm

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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