In a hydroelectric power plant, water flows from an elevation of 400 ft to a turbine, where electric power is generated. for an overall turbine-generator efficiency of 86 percent, determine the flow rate of water to generate 100 kw of electricity if the irreversible head loss of the piping system between the free surfaces of the inlet and the outlet is 36 ft. take the density of water to be p= 624 ibm/t2 the flow rate of water is

0.19 m/s and 0.45 m/s

gpe = mass x gravity constant x height or… gpe = mgh

where… mass: measured in kilograms (kg)

gravity: gravity constant on earth = 10.00 m/s2

height: measured in meters (m)

gpe: measured in joules (j) or kilojoules (kj)

how do you solve gpe?

gravitational potential energy (gpe) is the energy an object has because of its position above the. ground.

gpe = mass x gravity constant x height or… gpe = mgh.

mass:

note: to earn full marks when solving science word problems, you must show your work:

formula.

example:

given values:

mass = 0.3 kg.

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