Water is supplied to an office building 31.5 m high through a pipe at ground level.
(a) find the minimum pressure in the supply pipe so that water can reach the top floor of the building.

(b) suppose the pressure in the supply pipe is designed so that water can flow out through a much smaller pipe on the top floor at a speed of 4.65 m/s. find the pressure in the larger pipe on the ground floor.

the first correct answer will get the brainliest

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000