Two basketballs of equal mass collide in midair. If the initial velocity of Basketball A was to the right at 2.5 m/s and the initial velocity of Basketball B was to the left at 1.7m/s, what is the final velocity of Basketball A if the collision is perfectly elastic?

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colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.