Consider the masses A and B with weight as shown. If the two systems are released from rest, which block will accelerate more quickly? Note that System A has an externally applied load whereas System B has two weights. For full credit, draw the FBD and IRD of each system, compute the acceleration of each system, and state your final predication.

Calculate the average velocity of water through a pipe, in m/s, if the flowrate is 2.1 cubic meters per hour and the pipe's diameter is 23 milimeters  Use two decimal figures in your answer.    Answer:     (1.40)

After completing the ENGR 315 hands-on project Sparky decided to create a symbolic solution for the time it takes for water to drain from the bottle.  Sparky will compare the times to a YouTube video of the hands-on project.  Sparky’s bottle is 4 inches in diameter and contains three holes of equal size (not what was required by the hands-on experiment).  The hole size of diameter (dhole) is in inches and the holes are L inches apart.  There is Ltop inches was water above the top hole at the start of the experiment (as shown in the figure).  Neglecting viscous effects (orifice coefficient) and considering the flow conditions to be quasi-steady (consistent with the hands-on experiment) create a symbolic solution for the time it takes for water to stop draining from the top hole.  The density (ρ) and specific weight (γ) of the water are 1.94 slugs/ft3 and 62.4 lbf/ft3, respectively.  The height of water above the first hole is h, which varies with time.  The flow through each hole is the…

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