10. What kind of materials can be involved in static electric effects? a. All materials, both metals and nonmetals
b. Only metals, but not nonmetals
c. Only nonmetals, but not metals
d. Only certain metals, not all metals
e. Only certain metals and nonmetals, but not all of them
What’s the answer?

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)