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a cart weighing 420 n rests on a 23° incline. calculate the component of its
weight that presses the cart to the hill.

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.

The speed of light can be used to measure the

Does anyone have the answers to online physics course plato course physics, semester a v3.0