Si hacemos pasar un rayo de luz del agua al aire (por ej. Desde el interior de una piscina hacia arriba), el rayo refractado en comparación con el rayo incidente será

Need in all of themmm only answer if you know plsssss

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)

Which is the most accurate name for the covalent compound p2o3?