For each of the cases described below, sketch and label the total acceleration vector.(a) A car is accelerating from 55 km/h to 70 km/h as it rounds a curve of constant radius.(b) A car is going a constant 65 km/h as it rounds a curve of constant radius.(c) A car slows down while rounding a curve of constant radius

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

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.

During the past 150 years in the united states, how did energy consumption compare to population growth