Surgery is performed to reshape and model bone. Surgery is i…

Surgery is performed to reshape and model bone. Surgery is indicated for patients with cosmetic abnormalities or elevated intracranial pressure caused by limited room for the brain to grow. It is a birth defect in which the bones in a baby’s skull join together too early. These statements reflect a _______________ procedure. 

The graph below depicts the velocity vs time graph for a spa…

The graph below depicts the velocity vs time graph for a spacecraft mission in our galaxy.  Part I of the journey, labeled below, lasts 25 minutes.  Part II of the journey lasts 75 minutes.  Part III of the journey lasts 50 minutes.  Use the graph to answer the questions and do the calculations below.   What is the sign of the acceleration in part II of the journey?