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Author Question: A photon with an energy of E = 2.090 0 GeV creates a proton-antiproton pair in which the proton has ... (Read 91 times)

LCritchfi

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on: Jul 28, 2018
A photon with an energy of E = 2.090 0 GeV creates a proton-antiproton pair in which the proton has a kinetic energy of 95.0 MeV. What is the kinetic energy of the antiproton? (mpc2 = 938.3 MeV)

Question 2

The altitude of the North Star (Polaris) is approximately
 a. 90.
  b. equal to the observer's local latitude.
  c. equal to the observer's local longitude.
  d. dependent on the time of day.
  e. none of these


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6ana001

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Reply #1 on: Jul 28, 2018
Answer to Question 1

118.4 MeV

Answer to Question 2

c


LCritchfi

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

bitingbit

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Reply 3 on: Yesterday
Excellent

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