Hi friends, I have [COLOR="Hi friends, I have an issue in solving a [COLOR="Blue"]Kinetic energy problem during collision[/COLOR]. Please Help me in solving this. Thank you all in advance. The problem is as: https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-frc1/q71/s720x720/1380301_1432382870322152_49372184_n.jpg Attempt: https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-prn2/q79/s720x720/1385129_1432380796989026_538254057_n.jpg Please try to help me in this. I will appreciate the help.