Claire starts driving with an initial velocity of 5.0 m/s towards north. she drives along a straight, level path with a uniform acceleration and travels 500. m in 20. seconds. a. what is the average velocity for the entire 20. seconds? b. what is the velocity at the end of 20. seconds?

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.

What is the final velocity of the initial velocity of 25 and -50?

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.