The length of the minute hand is 10 cm. What is centripetal acceleration of the tip of the minute hand of a clock?

What happens to light waves from a star as the star moves away from earth?

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

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.