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courtney hewlett

courtney h.

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Penny Riley verified

Numerade educator

17. An unpolarized beam of light (intensity I0) is moving in the x-direction. The light passes through three ideal polarizers whose transmission axes are (in order) at angles 0.0°, 55.0°, and 19.0° counterclockwise from the y-axis in the yz-plane.

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Khoobchandra Agrawal verified

Numerade educator

Light of wavelength 659.2 nm is emitted by a star. The wavelength of this light as measured on Earth is 661.1 nm. How fast is the star moving with respect to Earth? If it is moving away from Earth, enter a negative value and if it is moving toward Earth, enter a positive answer, in km/s

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Khoobchandra Agrawal verified

Numerade educator

7. Two concentric circular wire loops in the same plane each carry a current. The larger loop has a current of 8.64 A circulating clockwise and has a radius of 6.60 cm. The smaller loop has a radius of 3.33 cm. What is the direction of the current in the smaller loop if the total magnetic field at the center of the system is zero - clockwise or counterclockwise? 13. What is the direction of the current in the smaller loop if the total magnetic field at the center of the system is zero? In what direction is the wave traveling? - -x - -z - +y - +z - -y - +x

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