The aluminum rod ab (g = 26 gpa) is bonded to the brass rod bd (g = 39 gpa). knowing that portion cd of the brass rod is hollow and has an inner diameter of 40 mm, determine the total strain energy of the two rods. take ta = 900 n·m.

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.