How long does it take an airplane to take off if it needs to reach a speed on the ground of 95 m/s over a distance of 650 meters

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.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Debris produced by mining is called