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Author Question: In pair creation, an electron-positron pair is created from A) a photon. B) a neutron. C) a ... (Read 59 times)

acc299

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on: Jul 29, 2018
In pair creation, an electron-positron pair is created from
 
  A) a photon. B) a neutron. C) a neutrino. D) a rabbit. E) nothing.

Question 2

A man in a gym is holding an 8.0-kg object at arm's length, a distance of 0.55 m from his shoulder joint. What is the torque about his shoulder joint due to the object if his arm is held at 30 below the horizontal?
 
  A) 22 N  m
  B) 2.2 N  m
  C) 4.4 N  m
  D) 13 N  m
  E) 37 N  m


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cam1229

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

A

Answer to Question 2

E


acc299

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Reply 2 on: Jul 29, 2018
Gracias!

phuda

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Reply 3 on: Yesterday
Excellent

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