P24-2. A 12-m pole supports a horizontal cable CD and is held by a ball and socket at A and two cables BE and BF. Knowing that the tension in cable CD is 14 kN and assuming that CD forms an angle = 25° with the vertical xy plane, determine the tension in cables BE and BF and the reaction at A. 22 D 12 m e 8m 7.5 m A C B E 6 m F 6 m x

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Radiation

Radiation can be described as the energy in the form of a particular matter or electromagnetic waves traveling in the air and can be in the form of light, sound, and heat. Radiation can be detected through special instruments like X-rays. The radiation from a cooler object is less intense as compared to the radiation from hot objects.