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Need quick explanation, How to get 3m/s. [Do not copy]

R5 please answer all problems and also write out all steps and reasoning. The second image shows the correct answers.

2. [-/1 Points] DETAILS KATZPSEF1 5.P.048.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER To get in shape, you head to the local gym to exercise by lifting weights. Using a lat machine as shown in the figure, you notice that the wire connected to the bar is run around three different pulleys and is connected to a vertical stack of weights on the other end. The weights move up as you pull down on the bar. Suppose you set the machine so that the weight to be lifted is 124.5 lb. When you pull down on the bar, exerting a constant force, the acceleration experienced by the weights is 0.215 m/s2. what tension must exist in the wire connecting the bar and weights under these conditions? Assume the pulleys are massless and frictionless. N Pulley 1 Pulley 3 Pulley 2 Need Help? Read It Master It

I need a clear answer by hand, not by keyboard  and fast answer within 20 minutes. Thank you | dybala

Please show written work

I am unsure of how the equation got to the final result.  Can you elaborate on the steps between the last four arrows of this problum?

Flow Speed in a Channel The speed of water flowing in achannel, such as a canal or river bed, is governed by theManning Equation,

Need hep with this Q.

everything looks great but can u plz solve for h using the appropriate nusselt equation   attached  and thens solve for L  no need to type out equations just need to make sure value is correct thanks

CS) Flow through a heat exchanger tube is to be studied by means of a 1/10 scale model. If the tmateaangeraarmall, carries widecreme de ratio of pressure losses between the model and the prototype if water is used in the model.