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Author Question: If in the future significant amounts of antimatter could be made, it might be prevented from ... (Read 32 times)

jwb375

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on: Jul 27, 2018
If in the future significant amounts of antimatter could be made, it might be prevented from annihilating with ordinary matter by containing it in
 
  A) a magnetic field
  B) a gravitational filed
  C) an electric field
  D) a wormhole

Question 2

A thin hoop with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an angular speed of 3.5 rad/s. What is its kinetic energy?
 
  A) 0.18 J
  B) 0.092 J
  C) 0.96 J
  D) 1.05 J
  E) 0.53 J


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aloop

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

A

Answer to Question 2

A


jwb375

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Reply 2 on: Jul 27, 2018
Gracias!

alvinum

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Reply 3 on: Yesterday
Wow, this really help

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