a particle moves along the x-axis with the potential energy shown in the picture. what is the x-component of the force when the particle is located at x = 4 m?

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

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 direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.