Acar traveling at 24 m/s starts to decelerate steadily. it comes to a complete stop in 8 seconds. what is its acceleration?

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

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.

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.