Which of the following statements is true? A. younger athlete will always beat an older one. B. People over 40 should not exercise strenuously. C. On average, a woman's athletic ability peaks at a later age than a man's. D. Athletic performance peaks during the teen years.

Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students? each student bumps the shoulder of his or her neighbor. at the exact time, all students take a step to the right. the students skip clockwise, going in a circular motion. one at a time, each student lifts his or her hands up and then down.

Will you chech and finish these for me, because i am stumped with them.

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.