Two trailers, x with mass 500 kg and y with mass 2000 kg, are being pulled at the same speed. The ratio of the kinetic energy of y to that of x is:.

Solve this problem e=0+4m+p/6 (i also need to know what they are asking)

Which position did jackson take regarding the second national bank of the united states?

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b