If a material is heated until it is green hot, then A) it ...

[kaid0807]

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.

[djpooyouma]

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]

Thanks for the timely response, appreciate it

[jomama]

Excellent