Question

The diagram shows a situation just before a head-on collision. A lorry of mass 20 000 kg is
travelling at 20.0 ms–1
towards a car of mass 900 kg travelling at 30.0 ms–1
towards the lorry.
They collide and after the collision they move together.

Answer 1

Answer:

I used Law of conservation of linear momentum theorem....

which is...

Total initial linear momentum=total final linear momentun