Move Me 2.52 Torrent Physics Word Problem . PlEASE HELP.?

Physics word problem . PlEASE HELP.? - move me 2.52 torrent

Two cars with a weight of 4.92 kilograms and 2.52 kilograms in the direction of each other on a runway friction at a speed of 4.87 m / s and 3.00 m / s respectively. Cars are stuck after hitting his head. Determine the final speed.