Is there a multiple choice?
Answer:
The 1200 kg car.
Explanation:
The 1200 kg car had bo momentum at the initial stage of the journey because it wasn't on motion. But after collision with the 2000 kg car it gained alot of momentum.
Answer:
no, not all three contains iron
no, not all three also contain magnets
Explanation:
a has the magnet
b and c have pieces of iron
Where are the answer from the choices ?