What is the formula for time that involves change in velocity and acceleration?

What type of light does this light bulb produce most (i. e. at what wavelength does the spectrum have maximum intensity)?

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?