Which of these actions would increase heat transfer between two objects? establishing their thermal equilibrium
increasing the area of their contact
Ousing objects with similar specific heats
Oreducing the time of their contact

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass

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)

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?