A 100−kg man is skiing across the level ground at a speed of 8.0m/s when he comes to the small slope 1.8 m higher than the ground level

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

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.

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec