Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Newtons view of arrangement of the universe

Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).