If the z-component of the magnetic field of an electromagnetic ...

[ENagel]

If the z-component of the magnetic field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation Bz(x, t) = (1.25 T) cos(3800 m-1)x - (1.14  10-12 rad/s)t,
 
  what is the largest that the y component of the electric field can be? (c = 3.0 x 108 m/s)
  A) 375 N/C
  B) 4.17  10-15 N/C
  C) 3.75  108 N/C
  D) 4.17  10-9 N/C
  E) 1.25  106 N/C

Question 2

A particle confined in a rigid one-dimensional box (an infinite well) of length 17.0 fm has an energy level En = 24.0 MeV and an adjacent energy level En+1 = 37.5 MeV.
 
  What is the value of the ground state energy? (1 eV = 1.60  10-19 J)
  A) 1.50 MeV
  B) 13.5 MeV
  C) 0.500 MeV
  D) 4.50 MeV

[briezy]

Answer to Question 1

A

Answer to Question 2

A

[ENagel]

Gracias!

[komodo7]

Excellent