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Author Question: If a material is heated until it is green hot, then A) it would liquefy immediately. B) it would ... (Read 44 times)

kaid0807

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on: Jul 29, 2018
If a material is heated until it is green hot, then
 
  A) it would liquefy immediately.
  B) it would be hotter than white hot.
  C) its molecules would be vibrating at nearly identical rates.
  D) it would be a strong absorber of red light.
  E) energy conservation would be violated.

Question 2

Long parallel wires separated by 7.5 cm carry 3.3 Amperes each in opposite directions.
 
  (a) What magnetic force per length acts on the wires?
  (b) Find the magnitude of the magnetic field midway between the wires.


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djpooyouma

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

Answer: C

Answer to Question 2

(a) 2.9  10-5 N/m repulsion
(b) 3.5  10-5 Tesla


kaid0807

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

yeungji

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Reply 3 on: Yesterday
:D TYSM

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