Q. What is the difference in blood pressure ({rm mm-Hg}) between the top of the head and bottom of the feet of a 1.80-{rm m}-tall person standing vertically?
Q. After 35 minutes of running, at the 8km point in a 9km race, you find yourself 180 m behind the leader and moving at the same speed.What should your acceleration be if you are to catch up by the finish line? Assume that the leader maintains a constant speed throughout the entire race.