6. Water, in a closed system, enters the 90° elbow at ଵ= 7 fps and pressure pଵ= 12 psi. Find the x- and ycomponents of the force on the elbow. 13 in 9 in ଵ ଶ pଵ pଶ Force (x-direction) = Force (y-direction) =

Anyone who is an expert in for the record, i’m having difficulty understanding the pictures.

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?