Sorry that i ask for too much but I'm horrible at this ⭐-_-

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

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.

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?