Find the work done (in ft-lb) when a constant force F= 14 lb moves a chair from x = 0.8 to x = 1.2 ft. ft-lb Additional Materials Reading Submit Answer 2. [-/1 Points] DETAILS MY NOTES OSCALC1 6.5.224-228.WA.TUT. Find the total mass of a 5-m rod whose linear density function is p(x) = 8(x+1)-2 kg/m for 0 x 5. kg Additional Materials Reading Submit Answer Tutorial ASK YOUR TEACHER PRACTICE ANOTHER 3. [-/1 Points] DETAILS MY NOTES OSCALC1 6.5.248-252A.WA.TUT. ASK YOUR TEACHER PRACTICE ANOTHER A rectangular tank is full of water, which has a density of 1000 kg/m. Find the work (in joules) needed to pump all of the water out of the tank through a pipe at the top of the tank, as shown in the figure. (Assume that acceleration due to gravity is g = 9.8 m/s. Round your answer to three decimal places.) x 10% J 1 m 3 m