What is the acceleration of the block down the incline if the angle of the incline is 25 ◦ ? Answer in units of m/s 2 .

How have the competing explanations' experiments on atoms affected the development of the atomic model?

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.

During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs