Homework Statement
An airplane of mass 25,000 kg (approximately the size of a Boeing 737) is coming in for a landing at a speed of 72 m/s. Calculate the normal force on the landing gear when the airplane lands. Hint: You will use 0.92 m as the compression (vertical displacement) of the landing...
Thats what I'm lost on. I don't know the mass or acc of the car. I don't know where to start we didnt get a chance to go over this in class and the work is due tomorrow.
Homework Statement A driver makes an emergency stop and inadvertently locks up the brakes of the car, which skids to a stop on dry concrete. Consider the effect of rain on this scenario. If the coefficients of kinetic friction for rubber on dry and wet concrete are
μK(dry) = 0.81 and μK(wet) =...