Two torpedoes were fired directly towards each other. The first one was travelling at 130km/h and the other at 170km/h. They started at 40km apart.How far apart were they two minutes before they collided?
A、 5 km
B、 12 km
C、 10 km
D、 8 km
E、 4 km
发布时间：2025-09-03 18:06:42
