In a hydroelectric generating plant, what gives the generators the initial energy? *

water

The turbine turns the generator rotor which then converts this mechanical energy into another energy form -- electricity. Since water is the initial source of energy, we call this hydroelectric power or hydropower for short. At facilities called hydroelectric powerplants, hydropower is generated.

explanation:

the masses of the objects and the distance between them

the area between the graph and the t axis