This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Two forces are applied as shown to a bracket support, where P is 880 lb and Q is 580 lb.

Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.

Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?

How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?