Acar could move at constant speed on an icy curve which is banked for (all, one, no) speed(s) of the car.

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •  

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

To a of 4 x hz is 1. 0. mm nm nm