Which best contrasts hydroelectric power and geothermal energy?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?