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The magnetic field of a plane wave propagating in free space is given by the following expression:
a. Write a similar expression for the electric field.
b. What are the frequency and the wavelength?
c. What is the direction of propagation and the direction of linear polarization?
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Without pushing himself with his poles, a skier glides down a slope 13.5degrees below the horizontal. If the force of friction is not significant, what is his acceleration?
If a hydrogen atom is initially in the first excited state,what is the longest wavelength of light it will absorb? What is the shortest wavelength of light it will absorb?
Three balls A, B, C, with masses of 2.8kg, 1.1kg, and 0.9kg, respectively, are connected by massless rods, as shown below. What are the coordinates of the center of mass of this system?
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