URGENT!!! A 5.00 kg crate is on a 21.0° hill. Using x-y axes tilted down the plane, what is the x-component of the normal force?

Identify the type of synthetic material used in each object

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.

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)