A small cart weighing 3 kg, pushed by a spring with a coefficient of elasticity of 2.2 × 10⁴ N / m and compressed by 6 cm. Calculate the speed gained by the cart and the path it travels in a horizontal plane knowing that the friction force is 1.5 N​

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.

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

How is science controlled by the governerment