Calculate the q value for a pbsse lead salt diode laser (wavelength 4200 nm) with a 0.669 m cavity and mirror reflectances of 100.0% for the rear and 50.9% for the output window.

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)