Recent content by fakhar

I want to know about the solution of 3rd order ordinary differential equation with variable coeffient x^3Y''' +5x^2Y'' +7xY'+8Y=0 please help

I want to build a trolley with four wheels and towed to a rope having pulley on both ends connected to a electric motor. one of the pulley will be drive and other will be idle. what will be the proper procedure to calculate the motor size for this type of problem. thanks in advance