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Author Question: A proton of mass M rotates with an angular speed of 2 106 rad/s in a circle of radius 0.80 m in a ... (Read 41 times)

scienceeasy

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on: Jul 27, 2018
A proton of mass M rotates with an angular speed of 2  106 rad/s in a circle of radius 0.80 m in a cyclotron. What is the orbital angular momentum of the proton? (M = 1.67  10-27 kg)
 
  A) 2.1  10-21 N-m-s
  B) 1.1  10-20 N-m-s
  C) 2.9  10-21 N-m-s
  D) 5.3  10-21 N-m-s
  E) 3.9  10-21 N-m-s

Question 2

Suppose you were to try to create a proton-antiproton pair by annihilation of a very high energy photon. The proton and the anti-proton have the same masses, but opposite charges. What energy photon would be required?
 
  A) 1.022 MeV
  B) 223. MeV
  C) 1.88 GeV
  D) 940. MeV
  E) 0.47 GeV


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vseab

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


scienceeasy

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Reply 2 on: Jul 27, 2018
Excellent

bigcheese9

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Reply 3 on: Yesterday
Gracias!

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