The brakes of a truck of mass 3500 kg break loose. The truck moves from rest down a 15° incline 46.4 m long and collides with a stationary car of mass 920 kg at the bottom. The truck and car lock and skid 48 m together before coming to a stop. What is the coefficient of kinetic friction between the tires and the road?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

What describes the particles in a liquid