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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 81 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
Great answer, keep it coming :)

ricroger

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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