Is it possible to have 400m distance and yet zero for displacement? explain by using an example.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

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)