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Author Question: Neutrinos are hard to detect because A) they experience only the gravitational force. B) they ... (Read 71 times)

cool

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on: Jul 29, 2018
Neutrinos are hard to detect because
 
  A) they experience only the gravitational force.
  B) they move so fast.
  C) they experience only the weak force.
  D) they have such a small mass.
  E) All of the above.

Question 2

Mort, who is standing on the ground, throws a ball at 20 m/s eastward as measured by him. What is the ball's velocity relative to Velma, who is in a train moving eastward past Mort at 70 m/s?
 
  A) 50 m/s eastward
  B) 90 m/s eastward
  C) 50 m/s westward
  D) 90 m/s westward
  E) 70 m/s westward


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1_Step_At_ATime

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

C

Answer to Question 2

C


cool

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

ricroger

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Reply 3 on: Yesterday
Excellent

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