Apoint charge with a charge q1 = 4.00 μc is held stationary at the origin. a second point charge with a charge q2 = -4.10 μc moves from the point x= 0.170 m , y=0 to the point x= 0.270 m , y= 0.270 m. how much work is done by the electric force on q2?

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)