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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Atir Atir
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6 years ago
In the ground state, the quantum numbers (n, , m , ms) for hydrogen are, respectively,
 
  A) 1, 1, 1, 1.
  B) 1, 0, 0, 0.
  C) 1, 0, 0, 1/2.
  D) 1, 1, 1, 1/2.
  E) 1, 1, 0, 1/2.

Question 2

What speed dilates 1.000 second into 70.71 seconds?
 
  A) 0.9999c
  B) 0.9666c
  C) 0.9888c
  D) 0.9777c
  E) 0.8777c

Question 3

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 4

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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Kennykeen15Kennykeen15
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6 years ago
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Atir Author
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#2
6 years ago
Thank you, thank you, thank you!
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