A water pipe having a 2.29 cm inside diameter carries water into the basement of a house at a speed of 0.824 m/s and a pressure of 169 kPa. If the pipe tapers to 1.59 cm and rises to the second floor 6.43 m above the input point, what are the: a. speed
b. water pressure at the second floor

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.