Suppose an electromagnetic plane wave propagating in vacuum in the +k-direction has a polarization with the electric field in the +i-direction immediately before it strikes a perfect conductor at normal incidence. What are the directions of the E and B vectors of the transmitted wave? E in the - i-direction, and B in the + -direction O Ē in the + i-direction, and B in the + j-direction O E in the +i-direction, and B in the – j-direction O E in the – i-direction, and B in the – j-direction

C please

M PRACH Consider the three displacement vectors A = (4î - 3ĵ) m, B = (61 - 7ĵ) m, and C = (-8î + 5ĵ) m. Use the component method to determine the following. (Take the +x direction to be to the right.) (a) the magnitude and direction of the vector D = A + B + C X magnitude Note that all three vectors lie in the xy plane so the sum of these vectors will also lie in the xy plane. m X The angle you give does not put the sum into the correct quadrant.° counterclockwise from the +x axis direction (b) the magnitude and direction of E= -A-B+C magnitude m direction counterclockwise from the +x axis

After Physics Lab, a student undergoes displacements (moves) -60 m East +20 m North. a. What was the magnitude and angle for their total displacement?