Which is the correct relationship among pressure, flow, and resistance?

What is the mass of the same rock on the earth

How is the ideal mechanical advantage of a wheel and axle calculated?

Suppose the house in question 3 is located in cleveland where the annual average solar flux is 160 w/m2 . if 10 m2 of solar panels operating at 20 percent efficiency were installed on this house to collect and store solar energy in the form of hot water: