How do the gravitational potential energy and the kinetic energy of the ball change as the ball rolls down the ramp?

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)

Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth

During the past 150 years in the united states, how did energy consumption compare to population growth