Question

A tractor of mass 5000kg is used to tow a car of mass 2500kg.The tractor moved with a speed of 3meter per secound.Just before the towing rope cuts,calculate (a)the speed of the tractor immediately the rope cuts

Answer 1

I do not think a meaninful answer can be found from conservation of momentum on this, tractors don't work that way, they are powered by engines.