When the internal energy of material increase?

The density of an object is defined as its mass divided by its volume. Suppose the mass and volume of a rock are measured to be 8 g and 2.8325 cm^3. What is the correct number of significant figures for the rock's density?

All of the following examples involve chemical energy except: A. working muscles using food b. burning a candle c. lightng a match. d. coasting downhill on a bike

the brakes on a car do 240000j of work in stopping the car. if the car travels a distance of 40m while the brakes re being applied. how large is the average force that the brakes exert the car?

What does quantitative measurement mean

Explain why your senses would lead you to believe that the Earth is center of the universe

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.