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Author Question: What mass would have to be compressed to a radius of 1.0 10-15 m (the order of magnitude of the ... (Read 125 times)

s.tung

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on: Jul 29, 2018
What mass would have to be compressed to a radius of 1.0  10-15 m (the order of magnitude of the radius of an atomic nucleus) in order for it to become a black hole?
 
  (G = 6.67  10-11 N  m2/kg2, c = 3.0  108 m/s)
  A) 6.7  1011 kg B) 1.1  10-6 kg C) 8.3  1015 kg D) 2.2  103 kg E) 4.1  10-8 kg

Question 2

The magnetic field at point P due to a 2.0-A current flowing in a long, straight, thin wire is 8.0 T. How far is point P from the wire? (0 = 4  10-7 T  m/A)
 
  A) 10 cm B) 2.0 cm C) 5.0 cm D) 2.5 cm E) 4.0 cm
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Christopher

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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s.tung

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Reply #2 on: Jul 29, 2018
Thank you!


Christopher

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Reply #3 on: Jul 29, 2018
Always glad to help...


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