Va rog ajutati la aceasta problema ofer coroana 3. Ce cantitate de apă poate fi încălzită de la temperatura t 1 = 10 0 C la
temperatura finală T 2 = 293, 15 K, dacă i se furnizează căldura de 41850 J ? Se dă
căldura specifică a apei : c apă = 4185

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)